1) The subjects in which college students major B) Nominal C) Ratio D) Interval

Question

1) The subjects in which college students major B) Nominal C) Ratio D) Interval A) Ordinal entify which of these types of sampling is used random, statied,systematic cdustet, comvenience. B) Convenience C) Systematic 2) A market researcher selects 500 people from each of 10 cities E) Cluster D) Random A) Stratified Provide an appropriate response. equency distribution below summarizes employee years of service for Alpha Corporation Determine the widthof each class. Years of service Frequency 1-5 6-10 11-15 16-20 21-25 26-30 20 25 10 A) 10 B) 5 C)4 D) 6 4) Use the previous problem distribution and find the class midpoint for class 1-5 A) 2.5 B) 3.0 0) 3.5 D) 5.0 5) The histogram below represents the number of television sets per household for a sample of U.S. households. What is the minimum number of households having the same number of television sets? Nunber ofTV Sets A) 1 B)20 C) 5 D) 100

Explanation / Answer

Ans:

1)Nominal

2)Stratified

3)Width of class=6-1=5

or 10-5=5

Option B is correct(5)

4)class midpoint=(1+5)/2=3.0

Option B is correct(3.0)

5)Minimum frequency is 5,for which number TV sets is 5

Option C is correct(5).

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