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Statistics Mcqs

If X and Y are independent then SD (X − Y) is________________?

Basic Statistics Mcqs, Statistics Mcqs /
If X and Y are independent then SD (X − Y) is________________?

A. SD(X)−SD(Y)
B. SD(X)+SD(Y)
C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√
18) If Y=−8X − 5 and SD of X is 3, then SD of Y is

If X and Y are independent then SD (X − Y) is________________? Read More »

Basic Statistics Mcqs, Statistics Mcqs

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?

Basic Statistics Mcqs, Statistics Mcqs /
You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?

A. Descriptive statistics
B. Inferential Statistics
C. Parameter
D. Population

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ? Read More »

Basic Statistics Mcqs, Statistics Mcqs