Do women and men differ in how they perceive their life expectancy? A researcher

Question

Do women and men differ in how they perceive their life expectancy? A researcher asked a sample of men and women to indicate their life expectancy. This was compared with values from actuarial tables, and the relative percent difference was computed (perceived life expectancy minus life expectancy from actuarial tables was divided by life expectancy from actuarial tables and converted to a percent). Here are the relative percent differences for all men and women over the age of 70 in the sample: Men -28 -22 -19 -19 -11 -14 Women -17 -17 -17 -12 -11 -10 -4 Use technology to approximate the t distribution for this test. Do NOT use the conservative approach. The t test statistic (±±0.001) is________ The degrees of freedom (±±0.001) of the t test statistic is____________________

Explanation / Answer

As mentioned Technology is used to solve this problem. EXCEL Data Analysis tool is used to solve this.

Below is the given data in tabular format

Below are the results of t-test applied using EXCEL tool

The t test statistic (±±0.001) is 2.0495

The degrees of freedom (±±0.001) of the t test statistic is 10

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