What is the expected frequency for each category in the table below? Calculate the chi-square and determine if the null hypothesis (there are no significant differences) should be rejected or accepted. Report the calculated chi-square and whether you accept or reject the null hypothesis for the data. Police are Police are not Row Total Approachable Approachable Not afraid at all fo = 30 fo = 40 70 Somewhat unafraid fo = 20 fo = 42 62 Somewhat afraid fo = 60 fo = 40 100 Afraid fo = 55 fo = 20 75 Column Total 165 142
What is the expected frequency for each category in the table below? Calculate the chi-square and determine if the null hypothesis (there are no significant differences) should be rejected or accepted. Report the calculated chi-square and whether you accept or reject the null hypothesis for the data. Police are Police are not Row Total Approachable Approachable Not afraid at all fo = 30 fo = 40 70 Somewhat unafraid fo = 20 fo = 42 62 Somewhat afraid fo = 60 fo = 40 100 Afraid fo = 55 fo = 20 75 Column Total 165 142
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 10E
Related questions
Question
What is the expected frequency for each category in the table below?
Calculate the chi-square and determine if the null hypothesis (there are no significant differences) should be rejected or accepted. Report the calculated chi-square and whether you accept or reject the null hypothesis for the data.
|
|
Police are |
Police are not |
Row Total |
|
|
Approachable |
Approachable |
|
|
Not afraid at all |
fo = 30 |
fo = 40 |
70 |
|
Somewhat unafraid |
fo = 20 |
fo = 42 |
62 |
|
Somewhat afraid |
fo = 60 |
fo = 40 |
100 |
|
Afraid |
fo = 55 |
fo = 20 |
75 |
|
Column Total |
165 |
142 |
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