Music Genre	Number of Schools that have this Genre in their top 10list	Average SAT Score
Alternative	1,679	1,152
Classic Rock	809	1,162
Emo	12	1,095
Hip Hop	10	1,104
Jazz	36	1,142
Indie	425	1,174
Christian	25	1,097
Metal	30	1,082
Misc	147	1,238
Pop	332	1,113
Rock	1,881	1,160

QUESTION 3.1

Count how many genres of music there are. Hint: this is yoursample size, n.

The sample size is:

QUESTION 3.2

Calculate the mean SAT score. Round to three decimals.

The mean SAT score is:

QUESTION 3.3

Calculate the standard deviation of the SAT scores. Round youranswer to three decimals.

The standard deviation of the SAT scores is:

QUESTION 3.4

Using the sample size, mean, and standard deviation youcalculated and Interval Estimate and Minimum Sample SizeCalculator, calculate the margin of error (E), the lower limit, andthe upper limit for the SAT scores.

Special note: use the sample size, mean and standard deviationEXACTLY as you calculated them. DO NOT ROUND

Make sure to use Calculator 1 and 95% confidence. Write youranswers EXACTLY as they appear in the calculator.

The Margin of Error (E) is:

The Lower Limit is:

The Upper Limit is:

QUESTION 3.5

Calculate the correlation coefficient (r) between the number ofschools that have the specific music genres in their playlist andthe SAT scores. Round to three decimals.

The Correlation Coefficient (r) of the number of schools and theSAT scores is:

QUESTION 3.6

Calculate the Coefficient of Determination (r-squared) of thisdata. Round your answer to three decimals.

The Coefficient of Determination (r-squared) is: