Solved

Why Must We Typically Use the Formula

Question 21

Multiple Choice

Why must we typically use the formula Why must we typically use the formula instead of using ó<sub>1</sub> and ó<sub>2</sub> when conducting a two-sample hypothesis test? A) because the standard deviations from the relevant populations (ó<sub>1</sub> and ó<sub>2</sub>) are seldom known B) because ó<sub>1</sub> and ó<sub>2</sub> are based on the sampling distribution, which is biased C) because ó<sub>1</sub> and ó<sub>2</sub> can be used only for nominal level variables D) because ó<sub>1</sub> and ó<sub>2</sub> increase the risk of Type I error
instead of using ó1 and ó2 when conducting a two-sample hypothesis test?


A) because the standard deviations from the relevant populations (ó1 and ó2) are seldom known
B) because ó1 and ó2 are based on the sampling distribution, which is biased
C) because ó1 and ó2 can be used only for nominal level variables
D) because ó1 and ó2 increase the risk of Type I error

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q16: When testing for the significance of the

Q17: An economist wishes to compare retirement savings

Q18: Random samples of 145 men and 237

Q19: Two sets of 95% confidence intervals correspond

Q20: Which of these variables would be appropriate

Q22: Which of the following describes the situation

Q23: When testing for the significance of the

Q24: A sample is gathered from one country,

Q25: Educational researchers wish to compare students from

Q26: Demographers test whether immigrants or native-born Canadians