Determining Whether to Use Mean & Standard Deviation or Median & IQR

  • 1.

    Mary kept a record of visitors to her shop on different days in a week. The results are shown below in the form of a graph. Should the mean and standard deviation or the median and IQR be used to describe the distribution based on the histogram?

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 2.

    An organization collected information about the salaries of different employees. The results are shown in the form of a graph below. Determine whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

    • Mean and Standard deviation

  • 3.

    A hospital maintained a record of the number of babies born between different time intervals. The results are shown in the form of a histogram below. Which of the following methods should be used to describe the distribution?

    Answers:

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

    • Median and IQR

    • Mean and Standard deviation

  • 4.

    In an 80-day course of a Stat class, the teacher held tests on different days at different time intervals, results of which were recorded. The graph below shows the result of one of his students. Choose whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Mean and Standard deviation

    • Median and IQR

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 5.

    Mr. Lee kept a record of his student's heights and the results are shown in the graph below. Select the correct option that can be used to describe the distribution.

    Answers:

    • Cannot be determined

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

  • 6.

    The histogram below shows the average temperature ranges and the number of days these temperatures were recorded. Should the mean and standard deviation or the median and IQR be used to describe the distribution based on the histogram?

    Answers:

    • Median and IQR

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

  • 7.

    A restaurant asked its customers to give ratings to the restaurant on the basis of the food it served. The histogram below shows the result of the survey. Identify whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

    • Cannot be determined

  • 8.

    The histogram shown below represents the data of profits earned by Tom's small business over a month. Which of the given methods should be used to describe the distribution?

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 9.

    Joey owns a small cake shop. He kept a record of cakes he sold the last few days. The results are shown in the graph below. Select whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

  • 10.

    To keep a record of the monthly progress of learning, Mrs. Mary collected the data of her students about the marks they obtained in the form of the graph illustrated below. Find the correct option that can be used to describe the distribution.

    Answers:

    • Cannot be determined

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

  • 11.

    Mr. Smith had a garden. He was curious to know how many trees in his garden fall under a certain height. The result of his survey was recorded in the form of the graph given below. Should the mean and standard deviation or the median and IQR be used to describe the distribution based on the histogram?

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

  • 12.

    Mrs. Jasmine surveyed her students on their weights and the results were recorded in the form of a histogram given below. Determine whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Median and IQR

  • 13.

    A zoo recorded the number of visitors on different days in the form of the histogram below. Which of the following methods should be used to describe the distribution?

    Answers:

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Cannot be determined

  • 14.

    The histogram below displays the data collected about rainfall in the month of June. Select the correct option that can be used to describe the distribution.

    Answers:

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Cannot be determined

  • 15.

    A middle school teacher gave a sample problem to her students and noted the time taken by them to solve the same problem at different time intervals. Her findings are illustrated in the histogram below. Choose whether to use the mean and standard deviation or the median and IQR to describe the distribution.

    Answers:

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

    • Median and IQR

  • 16.

    Jack works in a company that pays him daily for the number of hours he worked. The graph below represents the payment he received in the month of April. What could be the best method to describe the given distribution?

    Answers:

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

    • Mean and Standard deviation

  • 17.

    Consider the following histogram which shows the time spent by different pilots flying. Choose whether to use mean & standard deviation or median & IQR methods to describe this distribution.

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 18.

    A group of 30 individuals of different ages was surveyed on their heights. The results of the survey were recorded in form of a graph illustrated below. Use this graph to determine the correct way to measure distribution.

    Answers:

    • Mean and Standard deviation

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

  • 19.

    95 newborn babies in a hospital were weighed for over a month in order to know if they were healthy. The following histogram shows the results of their weights. Select the correct method to describe the given graph.

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 20.

    Anna works as a library volunteer. She was told to keep a record of some books according to the total pages in the book. Consider the following histogram which represents the information and find the correct method to describe this distribution.

    Answers:

    • Mean and Standard deviation

    • Cannot be determined

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

  • 21.

    32 companies were surveyed on their net annual profits. The histogram below shows the results of the survey. Identify whether to use the mean & standard deviation method or the median & IQR method to describe the given distribution.

    Answers:

    • Mean and Standard deviation

    • Median and IQR

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 22.

    In a zoo, there are 43 elephants of different ages. One of the caretakers measured their heights and recorded them in the form of a graph displayed below. What could be the best way to describe this distribution?

    Answers:

    • Mean and Standard deviation

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

  • 23.

    Kerry works in an aquarium. She was curious to know the lengths of fish. Consider the histogram below representing the results of lengths of fish. Choose the correct way to describe this distribution.

    Answers:

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Cannot be determined

    • Mean and Standard deviation

  • 24.

    Consider the histogram below which shows the number of patients who spent time in the emergency ward, find the perfect method to describe this distribution.

    Answers:

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Median and IQR

  • 25.

    32 candidates participated in a puzzle-solving competition. The graph below shows the time taken by candidates to solve the puzzle. Use this graph to identify the correct method to describe the distribution.

    Answers:

    • Median and IQR

    • Mean and Standard deviation

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 26.

    On Sunday 50 visitors went to the museum. The histogram shown below shows the information about their ages. Which of the following ways could be helpful to describe the distribution?

    Answers:

    • Median and IQR

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Cannot be determined

  • 27.

    Mrs. Shally's class has 25 students. She wanted to know their last class grades. Consider the following histogram which shows their grades. Find whether to use Mean & Standard deviation or Median & IQR method to describe this distribution.

    Answers:

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

    • Cannot be determined

  • 28.

    A weather forecast team surveyed 46 cities and recorded their annual rainfall. The results of the survey were collected in the form of a histogram illustrated below. Which method is more suitable to describe the distribution of the histogram?

    Answers:

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

    • Mean and Standard deviation

    • Median and IQR

  • 29.

    Some individuals were asked about their travel time in the last 2 days and were grouped as per the number of hours. The histogram below represents the information about travel time. Choose the correct method that describes this distribution perfectly?

    Answers:

    • Mean and Standard deviation

    • Median and IQR

    • Cannot be determined

    • Both Mean & Standard deviation and Median & IQR

  • 30.

    Consider the histogram given below that represents the weight of 22 boxes. Find the correct method for describing the distribution.

    Answers:

    • Mean and Standard deviation

    • Both Mean & Standard deviation and Median & IQR

    • Median and IQR

    • Cannot be determined

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