anna wants to investigate whether there is a relation between the hair- and eye-color of the residents of san pablo. He recorded the hair- and eye-color of 84 residents in san pablo, the results are shown in table 1. Next to it table 2 is shown and a large part of table 3 is shown below, but one value is missing. anna wants to conduct a chi-squared test for contingency tables in order to test his theory. Which of the following claims is correct? Please explain Brown Blue Gray Green 1 Brown Blue Gray Green Black 3 2 Black 5.54 5.36 2.50 1.61 Brown 17 8 4 Brownt 14.02 13.57 6.33 4.07 Red 4 2 2 2 Red 3.69 3.57 1.67 1.07 Blonde 1 16 2 2 Blonde 7.75 7.50 3.50 2.25 Tafla 1: Observed frequency Tafla 2: Expected frequency

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anna wants to investigate whether there is a relation between the hair- and eye-color of the
residents of san pablo. He recorded the hair- and eye-color of 84 residents in san pablo, the
results are shown in table 1. Next to it table 2 is shown and a large part of table 3 is shown
below, but one value is missing. anna wants to conduct a chi-squared test for contingency
tables in order to test his theory. Which of the following claims is correct? Please explain
Brown
Blue Gray Green
Brown
Blue Gray Green
Black
3
1
Black
5.54
5.36
2.50
1.61
Brown
17
8
4
Brownt
14.02
13.57
6.33
4.07
Red
4
2
Red
3.69
3.57
1.67
1.07
Blonde
1
16
Blonde
7.75
7.50
3.50
2.25
Tafla 1: Observed frequency
Tafla 2: Expected frequency
Brown Blue Gray Green
Black
2.17
1.04
0.10
0.23
Brownt
0.6
0.44
0.00
Red
0.03 0.69
0.07
0.80
Blonde
9.63
0.64
0.03
Tafla 3: Contribution to test statistic
1. anna rejects the null hypothesis and claims that there is a relationship between hair- and
eye color of the residents of san pablo.
2. anna does not reject the null hypothesis and makes no claims.
3. anna accepts the null hypothesis and claims that there is a relationship between hair and
Eye color of the residents of san pablo.
4. A chi squared test cannot be conducted on this data.
Transcribed Image Text:anna wants to investigate whether there is a relation between the hair- and eye-color of the residents of san pablo. He recorded the hair- and eye-color of 84 residents in san pablo, the results are shown in table 1. Next to it table 2 is shown and a large part of table 3 is shown below, but one value is missing. anna wants to conduct a chi-squared test for contingency tables in order to test his theory. Which of the following claims is correct? Please explain Brown Blue Gray Green Brown Blue Gray Green Black 3 1 Black 5.54 5.36 2.50 1.61 Brown 17 8 4 Brownt 14.02 13.57 6.33 4.07 Red 4 2 Red 3.69 3.57 1.67 1.07 Blonde 1 16 Blonde 7.75 7.50 3.50 2.25 Tafla 1: Observed frequency Tafla 2: Expected frequency Brown Blue Gray Green Black 2.17 1.04 0.10 0.23 Brownt 0.6 0.44 0.00 Red 0.03 0.69 0.07 0.80 Blonde 9.63 0.64 0.03 Tafla 3: Contribution to test statistic 1. anna rejects the null hypothesis and claims that there is a relationship between hair- and eye color of the residents of san pablo. 2. anna does not reject the null hypothesis and makes no claims. 3. anna accepts the null hypothesis and claims that there is a relationship between hair and Eye color of the residents of san pablo. 4. A chi squared test cannot be conducted on this data.
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