Question

Create and interpret the confidence interval at 90%,for the population mean with the following data: Mintab...

Create and interpret the confidence interval at 90%,for the population mean with the following data: Mintab can be used if easier.

Age
31
29
38
35
29
36
43
30
27
36
33
42
43
32
63
45
37
37
42
35
54
36
30
26
41
27
36
27
33
36
37
36
30
30
31
36
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Minitab:

Stat --> Basic Statistics --> one sample t test

The 90% C.I is (33.6739, 37.9372).

Interpretation:

We are 90% confident that the true population mean is lies between 33.6739 and 37.9372.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Dataset: Husband   Wife 53   50 38   34 46   44 30   36 31   23 26   31 29  ...
Dataset: Husband   Wife 53   50 38   34 46   44 30   36 31   23 26   31 29   25 48   51 65   46 29   26 28   23 29   32 25   22 22   21 21   24 43   50 24   27 38   33 33   26 35   29 40   29 27   25 27   24 49   38 48   39 27   27 26   24 40   34 35   37 21   26 32   39 30   28 60   52 36   40 25   23 66   55 52   34 41   40 43  ...
Advantage VCR’s carry a one-year warranty. However, the terms of the warranty require that a registration...
Advantage VCR’s carry a one-year warranty. However, the terms of the warranty require that a registration card be sent in. One of the questions of the registration card asks the owner’ age. For a random sample of 50 registration cards, the ages given were:             17        19        21        22        23        24        25        26        27        27             27        27        27        28        31        31        31        32        32        32             32        33        33        34        35        35        36        37        37        37             38        38       ...
Construct a 90% confidence interval estimate for the difference between two population means given the following...
Construct a 90% confidence interval estimate for the difference between two population means given the following sample data selected from two normally distributed populations with equal variances:    Sample   1    Sample 2 29          25        31          42           39           38     35        35        37 42           40           43     21         29        34    46           39           35
Construct a 90% confidence interval estimate for the difference between two population means given the following...
Construct a 90% confidence interval estimate for the difference between two population means given the following sample data selected from two normally distributed populations with equal variances: Use SPSS    Sample   1                   Sample 2 29          25        31          42           39           38 35        35        37            42           40           43    21         29        34            46           39
After you run the t-test, answer these questions (type responses in this box): 1. What is...
After you run the t-test, answer these questions (type responses in this box): 1. What is the p-value (the significance)? 2. Is the difference between the mean age first diagnosed for males and females statistically significant? Independent Samples t-TEST Age First Diagnosed Male Female 25 33 35 32 34 45 22 44 34 21 21 33 21 29 18 30 43 31 28 28 29 44 32 54 41 32 25 39 30 36 19 50 15 21 18 37...
Use the given data that represent the waiting time of a randomly selected group of people...
Use the given data that represent the waiting time of a randomly selected group of people at an urgent-care clinic and a randomly selected group of people at an emergency clinic. a. Rearrange the data so that they can be analyzed using regression, and add an independent variable that is 1 for Emergency and 0 Urgent care. b. Test the hypothesis that waiting time is equal for both groups (against the alternative that they are not equal) using regression and...
2a. Describe the sample and population you are studying. I am studying customers' satisfaction level with...
2a. Describe the sample and population you are studying. I am studying customers' satisfaction level with their car insurance plan. 2b. Calculate the sample mean and sample standard deviation for your variable. Keep at least four decimal places. 2c. Calculate the standard error and the margin of error for a 90% confidence interval. Keep at least four decimal places. Data: 36 18 66 43 28 39 47 40 24 46 48 57 36 58 39 62 43 65 74 36...
Using the sample standard deviation of age as an estimate of the population standard deviation, calculate...
Using the sample standard deviation of age as an estimate of the population standard deviation, calculate by hand the standard error of the mean. Show your calculations and the answer. Calculate by hand a 95% confidence interval for "Age" based on the sample mean. Age 18 20 21 24 26 29 30 31 32 35 35 36 37 39 40 42 42 42 44 45 46 48 49 50 52 53 54 58 59 61
weeks 39 42 37 41 39 38 37 35 38 37 45 42 40 38 38...
weeks 39 42 37 41 39 38 37 35 38 37 45 42 40 38 38 40 40 24 40 37 39 40 39 40 38 38 39 40 39 38 42 36 29 29 35 35 31 42 38 41 43 41 40 38 37 38 41 40 40 38 40 40 42 41 37 39 40 38 39 41 40 39 39 37 41 40 38 44 41 37 36 33 30 36 33 39 39 40 40...
The number of grams of carbohydrates in a 12-ounce serving of a regular soft drink is...
The number of grams of carbohydrates in a 12-ounce serving of a regular soft drink is listed here for a random sample of sodas 48      37      52      40      43      46      41      38 41      45      43      33      35      52      45      41 30      34      46      40      40      42      39      32 What is the point estimation for 90% confidence interval? What is the margin error for 90% confidence interval? Estimate the mean number of carbohydrates in all brands of soda with 90% confidence....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT