Statistics: Comparing, Analyzing and Interpreting Data
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Question 1
1.
The box-and-whisker plot shows the number of charity funds raised.
What is the median fundraised in dollars?
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Question 2
2.
Four graphs of different data sets are shown. Which data set has the least standard deviation?
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Question 3
3.
The following data is the average temperatures for each month of the first half of the year in St. Louis:
21, 30, 42, 58, 70, 79, 83
What is the interquartile range (IQR)?
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Question 4
4.
Find the interquartile range in the data set below.
8.9, 11.0, 7.5, 7.7, 9.5, 9.0, 7.6
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Question 5
5.
Which statement best summarizes the preferred program for Dance by gender as shown in the table?
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Question 6
6.
The histograms show the weights of all of the dogs entered in two different categories in a dog show. Consider each data set. What inferences can you make based on the shape of the data?
Data A Data B
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Question 7
7.
The audience at a zoo was asked to choose to cheer either for bears or tigers. A two-way frequency table describes the result.
Which statement is true?
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Question 8
8.
A scientist measures the heights of sunflower plants. The histogram shows the results. Which statement is correct?
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Question 9
9.
The median value of the data set is 39. What could be the mean of the data set?
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Question 10
10.
During one month, the mean high temperature in Boise, Idaho, was52.1° F with a standard deviation of 6.5° F. During the same month, the mean high-temperature in Death Valley, California, was81.9° F with a standard deviation of 6.4° F. Which of the following are true? Select all that apply.