Stats homework
Question Description
Section 4.2 #10
In Exercises 812, determine whether the statement is true or false. If the statement is false, rewrite it as a true statement.
10. In general, the slope of the least-squares regression line is equal to the correlation coefficient.
Section 8.1 #64cd
64. Interpret a confidence interval: A survey organization drew a simple random sample of 625 households from a city of 100,000 households. The sample mean number of people in the 625 households was 2.30, and a 95% confidence interval for the mean number of people in the 100,000 households was 2.16 < ? < 2.44. True or false, and explain:
c. The probability is 0.95 that the mean number of people in the 100,000 households is between 2.16 and 2.44.
d. 95% of the households in the sample contain between 2.16 and 2.44 people.
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