HCD 300 - HOMEWORK 12 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. True or False, this finding is statistically significant.
Answer:
- true
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
expected value for 31 - 40 year olds who play tennis?
Answer:
- 46.51
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. What is the critical value?
Answer:
- 11.07
Question:
Which of the following are non-parametric tests (choose one or more)?
Answer:
- chi-square
Question:
X 2(5) = 11.75, p < 0.05 How many categories were in this study?
Answer:
-6
Question:
X 2(5) = 11.75, p < 0.05 True or False, this finding is statistically significant.
Answer:
- True
Question:
X 2(5) = 11.75, p < 0.05 What is the X 2 value?
, Answer:
- 11.75
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. What is the chi-square value?
Answer:
- 159.92
Question:
Which of the following are assumptions of the chi-square test (choose one or
more):
Answer:
- nominal data - random sampling
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
chi-square statistic?
Answer:
- NOT 3.90 - NOT 27.35
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level.
What is the expected value for the number of students who were Hispanic or
Latino?
Answer:
- 163.13 (observed x percentage)
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
null hypothesis?
Answer:
- age and sport choice are independent
Question:
If you have 30 respondents identifying their political preference (i.e.,
Democrat, Republican, Independent), what would be the expected frequency
QUESTIONS AND CORRECT ANSWERS
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. True or False, this finding is statistically significant.
Answer:
- true
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
expected value for 31 - 40 year olds who play tennis?
Answer:
- 46.51
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. What is the critical value?
Answer:
- 11.07
Question:
Which of the following are non-parametric tests (choose one or more)?
Answer:
- chi-square
Question:
X 2(5) = 11.75, p < 0.05 How many categories were in this study?
Answer:
-6
Question:
X 2(5) = 11.75, p < 0.05 True or False, this finding is statistically significant.
Answer:
- True
Question:
X 2(5) = 11.75, p < 0.05 What is the X 2 value?
, Answer:
- 11.75
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level. What is the chi-square value?
Answer:
- 159.92
Question:
Which of the following are assumptions of the chi-square test (choose one or
more):
Answer:
- nominal data - random sampling
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
chi-square statistic?
Answer:
- NOT 3.90 - NOT 27.35
Question:
One study of Medical College Admissions Test (MCAT) compared the ethnicity
of test takers with the overall student population, in order to see if the
ethnicity of test takers was representative of the overall population. This
information is presented in the following table. Conduct a chi-square test at
the α = 0.05 level.
What is the expected value for the number of students who were Hispanic or
Latino?
Answer:
- 163.13 (observed x percentage)
Question:
A manager of a sports club believes that there is a relationship between the
age of a member and choice of sport. The sports club collects information on
members and their choice of sport. This information is pre-sented in the
following table. Conduct a two-sample chi-square test to test the belief that the
age of a member is related to the choice of sport. Use an α of 0.05. What is the
null hypothesis?
Answer:
- age and sport choice are independent
Question:
If you have 30 respondents identifying their political preference (i.e.,
Democrat, Republican, Independent), what would be the expected frequency
