Question

A new​ weight-loss program claims that participants will lose an average of more than 10 pounds...

A new​ weight-loss program claims that participants will lose an average of more than 10 pounds after completing it. The data table shows the weights of five individuals before and after the program.

1

2

3

4

5

weight before

264

220

285

264

195

weight after

240

223

267

250

175

We need to test the hypothesis that the population mean of differences exceed 10.  That is,

H0:  

H1:   .  

Use 5% level of significance.

Find the test statistic.

(Provide two  significant digits to the right of the decimal point)

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