Question

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

Answer #1

**Solution:**

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 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....

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 no. of grams of carbohydrates contained in 1-ounce servings
of randomly selected chocolate and non chocolate candy is listed
here. Is there sufficient evidence to conclude that the variance in
carbohydrate content varies between chocolate and non chocolate
candy? Use a=0.10
Chocolate: 29 25 17 36 41 25 32 29 38 34 24 27 29
Non Chocolate: 41 41 37 29 30 38 39 10 29 55 29
I am looking for this question to be written out with...

find the number of grams a protein in an 8-oz serving
of vanilla yogurt that contains 179 calories ,3 grams of fat and 31
grams of carbohydrate.

The following data
give the number of patients who visited a walk-in clinic on each of
20 randomly selected days.
24
38
27
19
33
23
30
42
25
27
28
32
38
29
39
25
36
21
34
39
Carry out all
calculations exactly, round to 2 decimal places the final answers
where it is necessary.
a.
Calculate the range, variance, and standard deviation for these
data.

Person
number
X
Value
Y
Value
Person number
X
Value
Y
Value
Person number
X
Value
Y
Value
1
24
30
11
39
42
21
21
27
2
42
53
12
60
65
22
33
29
3
20
27
13
34
40
23
25
27
4
31
30
14
24
26
24
22
25
5
22
24
15
51
57
25
28
33
6
46
47
16
80
83
26
34
40
7
52
60
17
28
27
27
53...

Use the following data to test if there is a difference in mean
age between mothers of a boy and mothers of a girl at alpha =0.05.
provide p-value
MomAge
gestation
sex
weight
preemie
35
39
F
3175
FALSE
22
42
F
3884
FALSE
35
39
F
3030
FALSE
23
40
F
3629
FALSE
23
42
F
3481
FALSE
25
38
F
2693
FALSE
25
40
F
3345
FALSE
24
40
F
3232
FALSE
19
40
F
2795
FALSE
20...

1.
The mean score on the ACT test was 21.7 and the standard
deviation was 5.2 . The distributions of scores was approximately
bell-shaped. Compute the z-score for an ACT test score of 17 .
Write only a number as your answer. Round your answer to two
decimal places (for example: 3.15).
2.
A population has mean 25 and standard deviation 17 . What is the
data value that has a z-score of 1 ? Write only a number
as...

y x1 x2 x3
x4
64 74 22 24
17
43 63 29 15
30
51 78 20 9 25
49 52 17 38
29
39 45 12 19 37
Consider the set of dependent and independent variables given
below. Perform a best subsets regression and choose the most
appropriate model for these data.
Find the most appropriate model for the data. Note that the
coefficient is 0 for any variable that is not included in the
model.
y= _____+...

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