Question 1

Saved

Statistics is an art and science of collecting, analyzing, presenting and interpreting data.

Question 1 options:

TrueFalse

Question 2

Population is a subset of a sample size

Question 2 options:

TrueFalse

Question 3 (s)

Stock dividend yield = stock investment divided by dividend.

Question 3 options:

TrueFalse

Question 4

Nominal measurements are measurements that involve quantitative values

Question 4 options:

TrueFalse

Question 5

Categorical Data is either nominal or ordinal

Question 5 options:

TrueFalse

Question 6

Time series data is typically complicated and difficult to understand

Question 6 options:

TrueFalse

Question 7

How often something happens divided by its outcomes is called Relative Frequency

Question 7 options:

TrueFalse

Question 8

The cheaper the stock and the higher the dividend, the higher the yield percentage will be.

Question 8 options:

TrueFalse

Question 9

Stock A is $20 per share. The dividend is $1. Thus, the dividend yield percentage would be 10%

Question 9 options:

TrueFalse

Question 10

Just like a bar graph, the histogram has a natural separation between rectangles of adjacent classes.

Question 10 options:

TrueFalse

Question 11

Crosstabulation is also known as contingency table analysis

Question 11 options:

TrueFalse

Question 12

Mean of data is the sum of all data values

Question 12 options:

TrueFalse

Question 13

Median is the value in the middle when arranged in descending order

Question 13 options:

TrueFalse

Question 14

Trimmed Mean is used when there are very similar data sets and no extreme data sets in order to eliminate the amount of data sets available.

Question 14 options:

TrueFalse

Question 23

Stock A has a current stock price of $10.50. The dividend has a payout of $1.20.What is the dividend yield percentage.

Question 23 options:

.11

1.1%

11.4

114

Question 24

In a questionnaire participants are asked to mark their gender (male or female). This is an example of:

Question 24 options:

Nominal

Ordinal

Ratio

None of the above

Question 25

After finish a stay at a hotel you are asked to fill out a survey that rates service as: good, great, bad, very bad. This is an example of which of the following types of measurements?

Question 25 options:

Ordinal

Ratio

Nominal

Interval

Question 26

Income is an example of a variable that uses which of the following scales of measurement

Question 26 options:

Nominal

Ordinal

Ratio

Interval

Question 27

Quantitative data

Question 27 options:

Are always non-numerical

Can be either non-numerical or numerical

Are always numerical

None of these are correct

Question 28

In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of:

Question 28 options:

categorical variable

quantitative variable

Either categorical or quantitative depending on how respondents answer question

None of these are correct

Question 29

Temperature is a variable that uses the following scale of Measurement

Question 29 options:

Nominal

Interval

Ordinal

Ratio

Question 30

If you were to compare housing prices for three different cities in Texas at different times of the year, this would be an example of

Question 30 options:

Pulling Cross-Sectional Data

Categorical Data

Quantitative Data

None of the above

Question 31

If you look up a stock price and look at the chart of a 1 year period, this is an example of:

Question 31 options:

Categorical Data

Time Series Data

Ratio Series Data

Cross Sectional Data

Question 32

The average lifespan on how long batteries may last or how long a light bulb may burn may be done by studying data and making a:

Question 32 options:

statistical inference

formal observation

data minded decision

all of the above

Question 33

Deals with methods for developing useful decision-making information from large databases

Question 33 options:

Statistical Methodology

Statistical Inference

Statistical Analysis

Data mining

Question 34

Which of the following is not a correct calculation of relative frequency

Question 34 options:

25/30 = .83

18/34 = .52

50/100 = .50

1/100 = .1

Question 35

Out of the 50 people asked, 20 people listen to Country, 20 listen to Pop and the rest listen to Jazz. What is the Percentage Frequency of those who listen to Jazz?

Question 35 options:

.20

.02

2%

20%

Question 36

The percent frequency of a class is computed by

Question 36 options:

multiplying the relative frequency by 10

dividing the relative frequency by 100

multiplying the relative frequency by 100

adding 100 to the relative frequency

Question 37

_________ are the facts and figures collected, facts and figures collected, analyzed and summarized for presentation.

Question 37 options:

Data

Statistics

Statistical Inference

All of the above

Question 38

15% of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management and 30% in Accounting. The graphical displays that can be used to present that data is (are):

Question 38 options:

line chart

only a bar cart

only a pie chart

both a pie and bar chart

Question 39

This diagram was named after it's founder whose first name was Vilfredo

Question 39 options:

Pareto

Bar

Pie

Mixed Graph

Question 40

If you are drawing a pie chart and 30% of the chart is filled by one variable, what is the numerical value of the degree of the circle it represents?

Question 40 options:

90

76

108

100

Question 41

Which of the following is (are) guidelines of frequency distribution?

Question 41 options:

Use between 5 and 20 classes

Data sets with larger number of elements usually require a smaller number of classes

Larger data sets usually required fewer classes

All of the above

Question 42

In relative frequency, which of the following are guidelines in determining the class limits?

Question 42 options:

Class limits must be chosen so that each data items belong to one and only a class

The lower class limit identifies the smallest possible data value assigned to the class

The upper class limit identifies the largest possible data value assigned to a class

All of the above

Question 43

Which of the following is not true about a Stem and Leaf Display

Question 43 options:

Shows both rank order and shape of the distribution of data

The first digits of each data item are arranged to the right of a vertical line

Each line in the display is referred to as the stem

Each digit on a stem is a leaf

Question 44

Which of the following is the most important measure of location?

Question 44 options:

mode

mean

median

weighted mean

Question 45

Sam made an 80 on test 1, a 60 on test 2 and a 82 on test 3, what is the mean?

Question 45 options:

80

74

222

3

Question 46

Sue took 3 tests:

Test 1 = 80 with a weight of 40%

Test 2 = 70 with a weight of 40%

Test 3 = 90 with a weight of 20%

What is the weighted mean?

Question 46 options:

80

78

70

90

Question 47

Measure of income most often reported for annual income and property value

Question 47 options:

Mean

Median

Mode

None of the above

Question 48

From the following home value may be discarded when calculating mean (trimmed mean)

Question 48 options:

$45,000

$215,000

$222,000

$218,000