Part 1 of 4 One study indicates that the number of televisions that American households have is distributed as in the following table. Percent of U.S. Households that Own Certain Number of TVs Number of TVs Percent of Households 0 1 2 3 4+ A random sample of 544 households in North Dakota resulted in the data in the following table. Number of TVs Reported Owned by 544 households in North Dakota Number of TVs 0 1 2 3 4+ At the 4% significance level, does it appear that the distribution "number of televisions" of households in North Dakota is different from the distribution for U.S. households as a whole? Step 1: State the null and alternative hypotheses. Ho: The distribution of the number of televisions in households in North Dakota matches the distribution of households in United States as a whole. ✓ H₂: The distribution of the number of televisions in households in North Dakota does not match the distribution of households in United States as a whole. ✓ Number of TVs 0 Number of Households T Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution used to perform the goodness-of-fit test. 1 To perform a goodness-of-fit test for this problem, use a [chi-square ✓degrees of freedom. 4 2 Step 3: Find the p-value of the point estimate. First identify the observed and expected values. Observed and Expected Values Observed Values (0) Expected Values (E) ✓ X 3 4+ 8% 16% 52% 16% 8% 36 75 301 98 34 Now find the p-value. P(x² Question Help: D Post to forum 36 75 301 98 34 ✓ ✓ ✓ ✓ 0 16 52 16 8 X X X X V✔ distribution with Part 3 of 4
Part 1 of 4 One study indicates that the number of televisions that American households have is distributed as in the following table. Percent of U.S. Households that Own Certain Number of TVs Number of TVs Percent of Households 0 1 2 3 4+ A random sample of 544 households in North Dakota resulted in the data in the following table. Number of TVs Reported Owned by 544 households in North Dakota Number of TVs 0 1 2 3 4+ At the 4% significance level, does it appear that the distribution "number of televisions" of households in North Dakota is different from the distribution for U.S. households as a whole? Step 1: State the null and alternative hypotheses. Ho: The distribution of the number of televisions in households in North Dakota matches the distribution of households in United States as a whole. ✓ H₂: The distribution of the number of televisions in households in North Dakota does not match the distribution of households in United States as a whole. ✓ Number of TVs 0 Number of Households T Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution used to perform the goodness-of-fit test. 1 To perform a goodness-of-fit test for this problem, use a [chi-square ✓degrees of freedom. 4 2 Step 3: Find the p-value of the point estimate. First identify the observed and expected values. Observed and Expected Values Observed Values (0) Expected Values (E) ✓ X 3 4+ 8% 16% 52% 16% 8% 36 75 301 98 34 Now find the p-value. P(x² Question Help: D Post to forum 36 75 301 98 34 ✓ ✓ ✓ ✓ 0 16 52 16 8 X X X X V✔ distribution with Part 3 of 4
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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▼ Part 1 of 4
One study indicates that the number of televisions that American households have is distributed as
in the following table.
Percent of U.S. Households that Own Certain
Number of TVs
Number of TVs Percent of Households
0
1
2
3
4+
0
1
2
3
4+
A random sample of 544 households in North Dakota resulted in the data in the following table.
Number of TVs Reported Owned by 544
households in North Dakota
Number of TVs
At the 4% significance level, does it appear that the distribution "number of televisions" of
households in North Dakota is different from the distribution for U.S. households as a whole?
Step 1: State the null and alternative hypotheses.
Number of TVs
0
Pokemon Jigglypu...
Number of Households
Ho:
The distribution of the number of televisions in households in North Dakota matches the distribution of households in United States as a whole.
✓
1
H₂:
The distribution of the number of televisions in households in North Dakota does not match the distribution of households in United States as a whole. V
✓
To perform a goodness-of-fit test for this problem, use a chi-square
4
✓degrees of freedom.
2
Step 2: Assuming the null hypothesis is true, determine the features of the distribution used
to perform the goodness-of-fit test.
Step 3: Find the p-value of the point estimate.
First identify the observed and expected values.
3
4+
8%
16%
52%
16%
8%
36
75
301
Observed and Expected Values
Observed Values (O) Expected Values (E)
✓
X
98
34
36
75
301
98
34
Now find the p-value.
P(X²EV
)=
Question Help: D Post to forum
Submit Part
✓
✓
✓
✓
0
16
52
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16
8
X
X
X
x
▾ Part 2 of 4
Y
M Gmail
✓✓distribution with
Part 3 of 4
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