People claim that women say more words per day than men. Estimates claim that a woman...
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- People claim that women say more words per day thanmen. Estimates claim that a woman uses roughly 20,000 words perday, while a man uses approximately 7,000. To investigate this, aresearcher recorded conversations of male college students over a5-day period. The results are as follows:
7220
13932
4727
10419
9258
9717
10728
5265
12215
9944
7979
12252
9307
9086
10780
3357
The researcher believes thatmany use more than 7,000 words per day.
- State the problem in your own words.
- Create a plan for testing the researcher’s claim. Besure to state the null and alternate hypotheses.
- Carry out the appropriate hypothesis test. Begin byfinding the sample mean and standard deviation. Give the value ofthe t statistic and give the p-value (or anestimate).
- Formulate the statistical conclusion in terms of thenull hypothesis and a practical conclusion. You may compare thep-value to 0.05 to determine if the null hypothesis should berejected. When the p-value is less than 0.05, we reject the nullhypothesis. Otherwise, we fail to reject the null.
- People claim that women say more words per day thanmen. Estimates claim that a woman uses roughly 20,000 words perday, while a man uses approximately 7,000. To investigate this, aresearcher recorded conversations of male college students over a5-day period. The results are as follows:
7220 | 13932 | 4727 | 10419 |
9258 | 9717 | 10728 | 5265 |
12215 | 9944 | 7979 | 12252 |
9307 | 9086 | 10780 | 3357 |
The researcher believes thatmany use more than 7,000 words per day.
- State the problem in your own words.
- Create a plan for testing the researcher’s claim. Besure to state the null and alternate hypotheses.
- Carry out the appropriate hypothesis test. Begin byfinding the sample mean and standard deviation. Give the value ofthe t statistic and give the p-value (or anestimate).
- Formulate the statistical conclusion in terms of thenull hypothesis and a practical conclusion. You may compare thep-value to 0.05 to determine if the null hypothesis should berejected. When the p-value is less than 0.05, we reject the nullhypothesis. Otherwise, we fail to reject the null.
Answer & Explanation Solved by verified expert
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Answera According to the Experts and peoples Men are usingless words in a conversation compared to womens in dailyconversation Now to investigate this
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