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3. Google conducted a study during the month of December 2019 that measured ways in which people used their Web browsers. Part of the study involved counting the number of files downloaded during the period of the study. The mean number of files downloaded by a random sample of 51 male users was 130.6 with a standard deviation of 22. The mean number of files downloaded by a random sample of 56 female users was 144.1 with a standard deviation of 20. Can you conclude that the mean number of files downloaded differs between males and females? Use a 5% level of significance.

3. Google conducted a study during the month of December 2019 that measured ways in which people used their Web browsers. Part of the study involved counting the number of files downloaded during the period of the study. The mean number of files downloaded by a random sample of 51 male users was 130.6 with a standard deviation of 22. The mean number of files downloaded by a random sample of 56 female users was 144.1 with a standard deviation of 20. Can you conclude that the mean number of files downloaded differs between males and females? Use a 5% level of significance.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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For each of the remaining problems, complete the steps listed below. Identify each step with the appropriate corresponding number. 1. Write the claim and the null and the alternate hypotheses. 2. Identify the level of significance. 3. Draw a distribution to represent it and identify the critical value(s). 4. Write the inequality that identifies the rejection area(s). 5. Find the test statistic. 6. Make a decision about your test. 7. Write a sentence describing your decision about the claim.
3. Google conducted a study during the month of December 2019 that measured ways in which people used their Web browsers. Part of the study involved counting the number of files downloaded during the period of the study. The mean number of files downloaded by a random sample of 51 male users was 130.6 with a standard deviation of 22. The mean number of files downloaded by a random sample of 56 female users was 144.1 with a standard deviation of 20. Can you conclude that the mean number of files downloaded differs between males and females? Use a 5% level of significance.
Transcribed Image Text:3. Google conducted a study during the month of December 2019 that measured ways in which people used their Web browsers. Part of the study involved counting the number of files downloaded during the period of the study. The mean number of files downloaded by a random sample of 51 male users was 130.6 with a standard deviation of 22. The mean number of files downloaded by a random sample of 56 female users was 144.1 with a standard deviation of 20. Can you conclude that the mean number of files downloaded differs between males and females? Use a 5% level of significance.
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