Statistics Homework

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Section 4.1 #32 a & b

32.

Government funding: The following table presents the budget (in millions of dollars) for selected organizations that received U.S. government funding for arts and culture in both 2006 and 2016.

Organization	2006	2016
Corporation for Public Broadcasting	460	445
Institute of Museum and Library Services	247	237
National Endowment for the Humanities	142	148
National Endowment for the Arts	124	148
National Gallery of Art	95	147
Commission of Fine Arts	2	3
Advisory Council on Historic Preservation	5	6

Source: National Endowment for the Arts

Construct a scatterplot of the funding in 2016 (y) versus the funding in 2006 (x).

Compute the correlation coefficient between the funding in 2006 and the funding in 2016.

Section 8.5 #18

18.

An apple a day: Following are the numbers of grams of sugar per 100 grams of apple in a random sample of six Red Delicious apples. Assume the population is normally distributed.

12.0 12.6 13.1 13.5 12.1 10.5

Construct a 95% confidence interval for the standard deviation of the number of grams of sugar.