Business Analysis Statistics Test #6

Question 1

The mean and median in a highly skewed distribution are 20 and 24, respectively. Determine the mean value.

Accepted Answer

26

Answer

20

Answer

25

Answer

30

Question 2

Three components make up a distribution, with means of 25, 10, and 15 and total frequencies of 200, 250, and 300, respectively. Find the combined distribution's mean.

Accepted Answer

16

Answer

8

Answer

12

Answer

20

Question 3

The index number used for the base year is always —

Accepted Answer

100

Answer

90

Answer

150

Answer

220

Question 4

Index number calculated by Fisher's formula is ideal because it satisfy:

Accepted Answer

Factor reversal test and Circular test

Answer

Factor reversal test

Answer

Circular test

Question 5

A time frame for which an index number is calculated is known as a ———

Accepted Answer

current period

Answer

base period

Answer

Normal period.

Answer

None of the above

Question 6

The intercept is in the regression equation Y = 75.65 + 0.50X.

Accepted Answer

76.65

Answer

1

Answer

0.5

Answer

2.5

Question 7

The Y in the regression equation Y = a+bX is referred to as:

Accepted Answer

Dependent variable

Answer

Continuous variable

Answer

Independent variable

Answer

None of the above

Question 8

Is information that a researcher gathers from first-hand sources.

Accepted Answer

Primary data

Answer

Secondary data

Answer

Secondary data and Primary data

Answer

none of the above

Question 9

The sample mean is a

Accepted Answer

statistics

Answer

variable

Answer

constant

Answer

parameter

Question 10

What techniques are used to gather primary data?

Accepted Answer

All of the above

Answer

experiments

Answer

interview

Answer

observation