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)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
There is a weight control program that claims that in three weeks people can lose 10...
There is a weight control program that claims that in three weeks people can lose 10 pounds. One researcher submitted 10 people to the program and found the following results: Person 1 2 3 4 5 6 7 8 9 10 Weight at the start 160 169 200 145 185 192 145 165 128 215 Weight at the end of the 2 weeks 155 160 180 140 170 180 150 152 120 201 a. Calculate a confidence interval for the...
A diet center claims that it has the most effective weight loss program in the region....
A diet center claims that it has the most effective weight loss program in the region. Its advertisements say, “Participants in our program lose more than 2 pounds within a month.” Six clients of this program are weighed on the first day of the diet and then one month later. Let the difference be defined as Weight on First Day of Diet minus Weight One Month Later. (You may find it useful to reference the appropriate table: z table or...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded before and after the program such that the x-value is an individual's weight at the start of the program and the y-value is the same person's weight after one year on the program. The mean of the starting weights was 192.7 pounds. The mean of the weights after one year was 178.2 pounds. The regression equation was found to be yˆ=.802x+30.27 The critical r-values...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded before and after the program such that the x-value is an individual's weight at the start of the program and the y-value is the same person's weight after one year on the program. The mean of the starting weights was 192.7 pounds. The mean of the weights after one year was 178.2 pounds. The regression equation was found to be yˆ=.802x+30.27 The critical r-values...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded...
In a test of the Weight Watchers weight loss program, weights of 42 subjects are recorded before and after the program such that the x-value is an individual's weight at the start of the program and the y-value is the same person's weight after one year on the program. The mean of the starting weights was 192.7 pounds. The mean of the weights after one year was 178.2 pounds. The regression equation was found to be yˆ=.802x+30.27ŷ=.802x+30.27. The critical r-values...
A diet center claims that it has the most effective weight loss program in the region....
A diet center claims that it has the most effective weight loss program in the region. Its advertisements say, “Participants in our program lose more than 3 pounds within a month.” Six clients of this program are weighed on the first day of the diet and then one month later. Let the difference be defined as Weight on First Day of Diet minus Weight One Month Later. (You may find it useful to reference the appropriate table: z table or...
10-12. A diet center claims that it has the most effective weight loss program in the...
10-12. A diet center claims that it has the most effective weight loss program in the region. Its advertisements say, “Participants in our program lose more than 2 pounds within a month.” Six clients of this program are weighed on the first day of the diet and then one month later. Let the difference be defined as Weight on First Day of Diet minus Weight One Month Later. (You may find it useful to reference the appropriate table: z table...
A diet center claims that it has the most effective weight loss program in the region....
A diet center claims that it has the most effective weight loss program in the region. Its advertisement says, "Participants in our program really lose weight." Five clients of this program are weighed on the first day of the diet and then three months later. Client Weight on First Day of Diet Weight Three Months Later 1 151 147 2 201 195 3 152 151 4 190 185 5 190 192 a. Specify the null and alternative hypotheses to test...
A diet center claims that it has the most effective weight loss program in the region....
A diet center claims that it has the most effective weight loss program in the region. Its advertisements say, “Participants in our program lose more than 7 pounds within a month.” Six clients of this program are weighed on the first day of the diet and then one month later. Let the difference be defined as Weight on First Day of Diet minus Weight One Month Later. (You may find it useful to reference the appropriate table: z table or...
A weight-loss company wants to make sure that it's clients lose more weight, on average, than...
A weight-loss company wants to make sure that it's clients lose more weight, on average, than they would without the company's help. An independent researcher collects data on the amount of weight lost in one month from 45 of the company's clients and finds a mean weight loss of 12 pounds. The population standard deviation for the company's clients is known to be 7 pounds per month. Data from 50 dieters not using the company's services reported a mean weight...