High School Female Shoe Sizes
10
7.5
8
7
8
6.5
9
7.5
8
8.5
7
8
9
6
7.5
The table above outlines the shoe sizes of 15 randomly chosen high school female students.
Answer the questions below:1. Find the mean of this data. Round to the nearest tenth. (2 pts)
2. Find the standard deviation of this data. Round to the nearest whole number. (2 pts)
Use the mean and standard deviation found in numbers 1-2 to create a normal distribution curve using the graph below. You must label the following:
a. mean shoe size
b. shoe sizes that are 1, 2, and 3 standard deviations from the mean
c. the percentages in each piece of the normal distribution curve
d. title of the data Answer these questions based on your normal distribution curve you created.
4. What percentage of females have shoe sizes from 5.8-8.8? (2 pts)
5. What percentage of females have a shoe size smaller than 4.8? (2 pts)
6. What percentage of females have a shoe size bigger than 9.8 or smaller than 5.8? (2 pts)
7. Are there any outliers in the data set? Yes or No?(2 pts)
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step-by-step explanation:
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.