Question

Given two independent random samples with the following results:

Given two independent random samples with the following results:

n1=13x1=141s1=13" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; text-align: left; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">n1=13x1=141s1=13   n2=9x2=161s2=12" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; text-align: left; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">n2=9x2=161s2=12

Given two independent random samples with the following results:

n1=13x1=141s1=13" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; text-align: left; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">n1=13x1=141s1=13   n2=9x2=161s2=12" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; text-align: left; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">n2=9x2=161s2=12

Use this data to find the 98%" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">98% confidence interval for the true difference between the population means.  Assume that the population variances are equal and that the two populations are normally distributed.

Step 1 of 3 :  

Find the point estimate that should be used in constructing the confidence interval.

n2=9x2=161s2=12" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; text-align: left; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">

Use this data to find the 9898%" role="presentation" style="box-sizing: border-box; display: inline; font-weight: inherit; line-height: normal; word-spacing: normal; overflow-wrap: normal; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; text-rendering: auto; color: rgb(77, 77, 77); position: relative; text-decoration: inherit !important;">

Find the point estimate that should be used in constructing the confidence interval.



Step 2 of 3: Find the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.


Step 3 of 3: Construct the 98% confidence interval. Round your answers to the nearest whole number.

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