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Unit 11 Review

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Last updated almost 5 years ago
10 questions
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Statistics: Comparing, Analyzing and Interpreting Data
Question 1
1.

The box-and-whisker plot shows the number of charity funds raised.

What is the median fundraised in dollars?

Question 2
2.

Four graphs of different data sets are shown. Which data set has the least standard deviation?

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)?

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

Question 5
5.

Which statement best summarizes the preferred program for Dance by gender as shown in the table?

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

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?

Question 8
8.

A scientist measures the heights of sunflower plants. The histogram shows the results. Which statement is correct?

Question 9
9.

The median value of the data set is 39. What could be the mean of the data set?

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.

$45
$68
49
1.9
The relative frequency of men who prefer dance is 77 percentage points more than that of women who prefer dance.
The relative frequency of women who prefer dance is 77 percentage points more than that of men who prefer dance.
The mean is less than the median in Data A while the mean and median in Data B are almost the same.
The mean and median of the data A are equal or almost equal while the mean is greater than the median in Data B.
The percent of audiences cheering for either bears or tigers are more than the number of females.
The percent of males is greater than those audience cheering for tigers.
The data are skewed left, so the mean height is greater than the median height.
No conclusion can be made about the relationship between the medianheight and the mean height based on the histogram.
45.2
39.0