a. There is somewhat strong evidence that men and women differ in their views on their own longevity. (Enter your answers to two decimal places.)In this study, men underestimated their average life expectancy by___% while women underestimated their average life expectancy by
____%.
b. If these samples can be viewed as SRSs, then underH0:?1=?2,
a difference in the sample means as great as the one observed is how many standard errors below expected? (Enter your answer to three decimal places.)
c. A more extreme difference would have occurred by chance alone about what percent of the time under repeated sampling? (Enter your answer to three decimal places.)
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Liij Q I webassignmet (j. | percent). Here are the relative percent differences for ail men and women over the age of 70 in die sample. (Data set may be found here.) Men 28 23 20 19 14 13 Women 20 19 15 12 10 8 5 was]: Null hypothesis: DH'I'BNI'ICB 01' means - 0 Alternative hypothesis: Difference of means is not 0 e-n umma Ia--I di: 10.68 Difference of means: 43.786 tsiatisiic: 2.177 Painlua: 0.05281 There Is somewhat strong evidence that men and women differ in their views on their own longevity. (Enter your answers to two decimal places.) x 'ii: while women underestimated their average life expectancy by In this study, men underestimated their aveiage life aquectancy by three dedmal places.) 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 aacturial 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 The figure below shows output for the two-sample .t test using Option 1. (This output is from Cmnd'lltl software, Whld'l does Option 1 without rounding or tmnating the degrees of freedom.) Do men and women over 70 years aid differ in their perceptions of life expectancy? Using the output in the gure below, write a summary in a sentence or two, lnduding t, d'. P, and a conclusion. If these samples can be viewed as SRSS, then under H0: :11 - {12, a difference In the sample means as great as the one obmrved is how many standard errors below expected? (Enter your answer to ENE[E xqs