Question

Data that can be classified according to colour are measured on:

Select one:

A. Ratio Scale

B. Interval scale

C. Ordinal scale

D. Nominal Scale

QUESTION 2

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A researcher wants to investigate whether there is a relationship between the number of years of college a person has completed and a place of residence. Three locations were classified for residence (Urban, suburban, rural) and three categories for the number of years (No college, four-year degree, advance degree). A sample of 70 people is selected and classified in the following contingency table.

No. of Years Location	No College	Four Year Degree	Advanced Degree
Urban	15	12	8
Suburban	8	15	9
Rural	6	8	7

The expected frequency for the cell suburban and a four-year degree is:

Select one:

A. 12.73

B. 11.53

C. 9.55

D. 8.73

QUESTION 3

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A company is hiring candidates for 4 key positions in the management of its new office. 5 candidates are from Malaysia and 3 are from United States. Assuming that every combination of Malaysian and American is equally likely to be selected, what is the probability that at least 1 American will be selected?

Select one:

A. 4/14

B. 1/14

C. 13/14

D. 5/14

QUESTION 4

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What is another name for ogive?

Select one:

A. Pareto chart

B. cumulative frequency graph

C. histogram

D. frequency distribution

QUESTION 5

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When data are first collected, they are called:

Select one:

A. Raw Data

B. Survey data

C. Processed Data

D. Historical Data

QUESTION 6

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A research group claims by taking a special vitamin, a weight lifter can increase his strength. After two weeks of training, supplemented with vitamin, they tested again. Test the effectiveness of the regiment at α = 0.05. Assume that the variable is normally distributed. The alternative hypothesis is :

Select one:

A. H1: µD ≠ 0

B. H1: µD < 0

C. H1: µD = 0

D. H1: µD > 0

QUESTION 7

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Colors of jackets in a men’s clothing store is an example of:

Select one:

A. Continues Variable

B. Discrete Variable

C. Quantitative Variable

D. Qualitative Variable

QUESTION 8

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A researcher wishes to survey the opinions of customers at local malls, she selected 5 malls from a total of 12 malls in a city. The number of ways that the selection can be made is :

Select one:

A. 692

B. 792

C. 892

D. 992

QUESTION 9

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The intercept of the regression equation for the following data:

X	43	48	56	61	67	55
Y	128	120	135	143	141	130

Select one:

A. 87.3922

B. 89.3421

C. 85.3421

D. 83.3421

QUESTION 10

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The mean for the data values “ 87, 85, 80, 78, 86, 90” is:

Select one:

A. 85

B. 80

C. 87

D. 84.1

Answer 1