# Statistics questions Discussion questions Problem #3: Students with the last name of K-O: Please review Section 9.2. A marketing researcher wants to

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Statistics questions Discussion questions Problem #3: Students with the last name of K-O:

Please review Section 9.2. A marketing researcher wants to estimate the mean amount spent per year (\$) on a web site by membership

member shoppers. Suppose a random sample of 130 membership member shoppers who recently made a purchase on the web site yielded a
mean amount spent of \$60 and a standard deviation of \$56. Use technology to solve and include files and/or screen shots.

Is there evidence that the population mean amount spent per year on the web site by membership member shoppers is different from \$51?

0

1

0.01

: 51

: 51

H

H

Identify the critical value(s): (Round to two decimal places as needed.)

Determine the test statistic: (Round to two decimal places as needed.)

State the conclusion:

Please review Section 9.3. A survey of nonprofit organizations showed that online fundraising increased in the past year. Based on a random

sample of 52 nonprofit organizations, the mean one-time gift donation in the past year was \$75 with a standard deviation of \$9. If you test

the null hypothesis at the 0.10 level of significance, is there evidence that the mean one-time gift donation is greater than \$70? Use

technology to solve and include files and/or screen shots.

0

1

0.10

: 70

: 70

H

H

Find the test statistic: (Round to two decimal places as needed.)

Find the p-value: (Round to two decimal places as needed.)

State the conclusion:

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