A study of the effect of television commercials on 12-year-old children measured their attention span, in seconds. The commercials were for clothes, food, and toys. Clothes 26 21 43 35 28 31 17 31 20 Food 45 48 43 53 47 42 Ho H₁ 34 43 57 47 44 54 Toys 60 51 43 54 63 53 48 58 47 51 51 Click here for the Excel Data File a. What are the null and alternate hypotheses? Answer is complete and correct. HClothes Food Toys Not all means are equal,
A study of the effect of television commercials on 12-year-old children measured their attention span, in seconds. The commercials were for clothes, food, and toys. Clothes 26 21 43 35 28 31 17 31 20 Food 45 48 43 53 47 42 Ho H₁ 34 43 57 47 44 54 Toys 60 51 43 54 63 53 48 58 47 51 51 Click here for the Excel Data File a. What are the null and alternate hypotheses? Answer is complete and correct. HClothes Food Toys Not all means are equal,
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section4.5: Analyzing Lines Of Fit
Problem 11E
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Transcribed Image Text:Exercise 12-24 (Static) (LO12-3)
A study of the effect of television commercials on 12-year-old children measured their attention span, in seconds. The commercials
were for clothes, food, and toys.
Clothes
26
21
43
35
28
31
17
31
20
Food
45
Ho
H₁
48
43
53
47
42
34
43
57
47
44
54
Toys
60
51
43
54
63
53
48
58
47
555
51
51
Click here for the Excel Data File
a. What are the null and alternate hypotheses?
Answer is complete and correct.
HClothes Food Toys
Not all means are equal
Transcribed Image Text:g. Compute the 95% confidence intervals that estimate the difference between each pair of means. (Negative amount should be
indicated by a minus sign. Round your answers to 2 decimal places.)
Answer is complete but not entirely correct.
The interval for the difference between lines Clothes and Food is from
The interval for the difference between lines Clothes and Toys is from
The interval for the difference between lines Food and Toys is from
0.00 to
11.59 to
3.15
to
8.83
0.00
0.08
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Step 1: Write the given information.
VIEWStep 2: Determine the null and alternate hyothesis.
VIEWStep 3: Determine the mean and sample standard deviation for all three groups.
VIEWStep 4: Determine the confidence interval for the difference between Clothes and Food.
VIEWStep 5: Determine the confidence interval for the difference between Clothes and Toys.
VIEWStep 6: Determine the confidence interval for the difference between Food and Toys.
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