Question

In: Statistics and Probability

SE-FamilySize 1 1 4 3 2 4 2 3 4 2 4 1 4 2 2...

SE-FamilySize
1
1
4
3
2
4
2
3
4
2
4
1
4
2
2
4
5
4
5
4
4
2
4
3
1
2
3
5
5
5
Make a confidence interval. Be sure you show all the steps you took. Include a screen shot of any applet you used in your calculations.
2. Choose a confidence level (1 – α).
3. What is xbar?
4. What is s?
5. What is t? (Show a screen shot of how you derived your t value)
6. What is k?
7. Compute your confidence interval.
8. Explain your results in everyday language.

Solutions

Expert Solution

x (x-x_)^2

1

 4.694589

1

 4.694589

4

 0.694389

3

 0.027789

2

 1.361189

4

 0.694389

2

 1.361189

3

 0.027789

4

 0.694389

2

 1.361189

4

 0.694389

1

 4.694589

4

 0.694389

2

 1.361189

2

 1.361189

4

 0.694389

5

 3.360989

4

 0.694389

5

 3.360989

4

 0.694389

4

 0.694389

2

 1.361189

4

 0.694389

3

 0.027789

1

 4.694589

2

 1.361189

3

 0.027789

5

 3.360989

5

 3.360989

5

 3.360989
Total 95 52.16667

The population mean of the SE-FamilySize includes in the confidence interval (2.5879, 3.7455) with 95% confidence.

orchestra answered 11 months ago
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