Question

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. Interpret the confidence interval

Answer #1

The answer to the given questions is given below:

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.
Test to see if the average number of carbs
for all 12-ounce regular soft drinks is more than 39. Use
α=0.05.
48 41 30 37 45 34 52 45 46 40
46 52 41 45 38 41 33 40 43 35
b) What is the p-value?
c) Type in your hypotheses using correct notation.
d) Type...

The number of carbohydrates (in grams) per 8-ounce serving of
yogurt for each of a random selection of brands is listed below.
Estimate the true population variance and standard deviation for
the number of carbohydrates per 8-ounce serving of yogurt with 95%
confidence. 17 42 41 20 39 41 35 15 43 25 38 33 42 23 17 25 34

the
number of carbohydrates in grams per 8 ounce serving of yogurt for
each of a random selection of brands is listed below. Estimate the
true population variance and standard deviation for the number of
carbohydrates per 8 ounces serving of yogurt with 95 % confidence.
Assume the variable is normally distributed.
17 42 41 20 39 41 35 15 43
25 38 33 42 23 17 25 34
also show how to solve using TI 84 please

6. A simple random sample of 31 cans of generic soda had their
caffeine levels measured, in milligrams per 12 ounce serving. The
data is given below. Find the 99% confidence interval estimate of
the mean amount of caffeine in the entire population of this
generic soda.
34 35 35 36 36 36 38 38 38 38 38 39 40
40 41 42 43 43 45 45 46 46 47 50 50 51
52 53 55 56 60

A simple random sample of 31 cans of generic soda had their
caffeine levels measured, in milligrams per 12 ounce serving. The
data is given below. Find the 99% confidence interval estimate of
the mean amount of caffeine in the entire population of this
generic soda.
34
35
35
36
36
36
38
38
38
38
38
39
40 40
41
42 43
43
...

Please compute the value, upper control limit, and lower
control limit for the x-bar chart, r-bar chart, p
chart, and np chart.
Sample #
Observations
Defects
1
44
49
44
44
40
0
2
42
46
51
51
42
2
3
45
45
49
49
46
2
4
40
39
42
42
47
7
5
44
51
53
53
44
2
6
41
44
43
43
46
8
7
40
44
46
46
48
3
8
54
49
48
48...

What percent of undergraduate enrollment in coed colleges and
universities in the United States is male? A random sample of 50
such institutions give the following data. Percent Males Enrolled
in Coed Universities and Colleges 44 41 41 41 38 50 48 31 52 28 50
42 71 37 43 38 53 51 52 50 47 46 49 50 39 38 58 64 40 54 32 46 48
34 54 48 40 46 42 41 46 42 41 46 54...

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...

Refer to the Body Measurements Female Data Set and Body
Measurements Male Data Set found in StatDisk (Elementary Stats 12th
Edition, sets #1a and 1b) and use columns 5 for HDL. Use a .05
significance level to test the claim that men and women have the
same mean HDL level (High-Density Lipoprotein) female 74 56 70 40
67 96 43 80 77 41 23 76 39 52 38 37 57 81 37 50 73 61 33 41 60 62
67...

Cholesterol levels: A national health survey
measured the serum HDL cholesterol levels in a large number of
women. Following is a sample of
37
HDL levels (in milligrams per deciliter) that are based on the
results of that survey. The list has been sorted into numerical
order.
25
25
25
26
27
27
27
28
28
29
34
35
35
38
38
39
42
42
43
44
45
45
45
45
46
46
47
48
51
52
56
57
65...

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