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How to run independent t-test in R - studio

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Hypothesis testing for mean with t-test

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One group was shown only the video portion of the commercial, and the second group was shown the ad with both audio and video.

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A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below.

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In a study of the cognitive skills required for successful arguments, 62 psychology graduate students were equally divided into two groups.

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A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company.

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A study was conducted to assess the effects that occur when children are exposed to cocaine before birth. 190 children born to cocaine users had a mean score of 7.3

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Researchers investigated how the size of a bowl affects how much ice cream people tend to scoop when serving themselves.

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This data set contains the ages of the husband and the wife for 20 couples. We want to know what the difference is between the ages of husbands and wives

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To test the effectiveness of a drug to relieve asthma, a group of subjects was randomly given a drug and placebo on two different occasions.

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How to run independent t-test in R - studio

Hypothesis testing for mean with t-test

One group was shown only the video portion of the commercial, and the second group was shown the ad with both audio and video.

A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below.

In a study of the cognitive skills required for successful arguments, 62 psychology graduate students were equally divided into two groups.

A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company.

A study was conducted to assess the effects that occur when children are exposed to cocaine before birth. 190 children born to cocaine users had a mean score of 7.3

Researchers investigated how the size of a bowl affects how much ice cream people tend to scoop when serving themselves.

This data set contains the ages of the husband and the wife for 20 couples. We want to know what the difference is between the ages of husbands and wives

To test the effectiveness of a drug to relieve asthma, a group of subjects was randomly given a drug and placebo on two different occasions.

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