Sign up for FREE

APS26-5 Sync Warm-up- Which procedure?

Last updated almost 5 years ago

6 questions

1

1

1

1

1

1

Question 1

1.

A brokerage firm wants to see whether the type of account a customer has (Silver, Gold, or Platinum) affects the type of trades that customer makes (in-person, by phone, or on the internet). It collects a randoms sample of trades made for its customers over the past year and performs a test.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.

Question 2

2.

That brokerage firm also wants to know if the type of account affects the size of the account (in dollars). It performs a test to see if the means size of the account is the same for the three account types.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.

Question 3

3.

The academic research office at a large community college wants to see whether the distribution of courses chosen (Humanities, Social Science, or Science) is different for its residential and non-residential students. It assembles last semester's data and performs a test.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.

Question 4

4.

Is the quality of a car affected by what day it was built? A car manufacturer examines a random sample of the warranty claims files over the past two years to test whether defects are randomly distributed across days of the work week.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.

Question 5

5.

A medical researcher wants to know if blood cholesterol level is related to heart disease. She examines a database of 10,000 patients, testing whether the cholesterol level is related to whether or not a person has heart disease.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.

Question 6

6.

A student wants to find out whether political leaning (liberal, moderate, or conservative) is related to choice of major. He surveys 500 randomly chosen students and performs a test.

1-prop z-test

1-prop z-interval

2-prop z-test

2-prop z-interval

1-sample t-test

1-sample t-interval

2-sample t-test

2-sample t-interval

matched pairs t-test

matched pairs t-interval

Chi-squared GOF Test

Chi-squared test of Independence

Chi-squared test of Homogeneity

None of these.