Statistics Test 1

Question 1

According to our syllabus, students may be dropped when they have how many unexcused absences?

Answer 1

4

Question 2

State the 25% Rule?

Answer 2

The professor will provide 25% of the exam questions

Question 3

What is the meaning of the Latin phrase, “labor omnia vincit”?

Answer 3

Persistant work will conquer all

Question 4

Which level of measurement is brands of PC’s?

Answer 4

Nominal

Question 5

The national research center provides the following answers for marital status: married, widowed, divorced, never married, & separated. The level of measurement is?

Answer 5

None of these

Question 6

What level of measurement is religion (Catholic, Muslim, Protestant, Jewish, and Other)?

Answer 6

Nominal

Question 7

What level of measurement is subjective economic status?

Answer 7

Ordinal

Question 8

Which level of measurement is preferences for brands of tequila?

Answer 8

Ordinal

Question 9

Which level of measurement is rank in the MT 1305 class?

Answer 9

Ordinal

Question 10

Which level of measurement is controversial?

Answer 10

Ordinal

Question 11

Which level of measurement is LTHS, HS, GTHS?

Answer 11

Ordinal

Question 12

Intersectioons of rows and columns in tables are called?

Answer 12

Cells

Question 13

Columns are to captions as rows are to:

Answer 13

Stubs

Question 14

Frequency distributions come from another tool called

Answer 14

Tally sheet

Question 15

The total of a column of proportions is always

Answer 15

10

Question 16

A tool that graphically shows percentages is the

Answer 16

Pie Chart

Question 17

The philosophy that holds that outcomes have causes that can be changed to improve outcomes is

Answer 17

Determination

Question 18

The most widely used tool in business & finance is

Answer 18

Run Charts

Question 19

Managers have many averages from which to choose. How should they decide?

Answer 19

Managers choose from the average that is most REPRESENTATIVE. The larger the difference the less representative the mean. The smaller the difference the higher the representative.

Question 20

What percentage of an array is larger than the first quartile?

Answer 20

75%

Question 21

Q2 is the same number as which average?

Answer 21

Median, Md

Question 22

Name a component of the DIJA

Answer 22

Walmart

Question 23

When the bartender at Trevino’s Gift shop and bar in Reynosa gave me her recipe for martinis, it reminded us of which statistical tool?

Answer 23

Ratio

Question 24

A pie chart is a graphic representation of data based on which statistical tool?

Answer 24

Percentages

Question 25

The average that can provide multiple answers for the same data set is the:

Answer 25

Mode

Question 26

Which average is mathematically sound and can be used for subsequent analyses?

Answer 26

Mean

Question 27

The average used by the U.S. government to report economic, labor force, & census information is:

Answer 27

Median

Question 28

In an accounting course, there are four exams worth 25% each. If Medina made 75, 80, 90 on the first three, what is the lowest grade she can make on the fourth to receive a B- (80.0)?

Answer 28

75

Question 29

Which of these tools is not admissible with nominal data?

Answer 29

Mean

Question 30

The trimmed mean is the mean of the middle _______ percent of an array.

Answer 30

90

Question 31

The inter-quartile mean is the mean of the middle _______ percent of an array.

Answer 31

50

Question 32

The _______ quartile is the the same as the 25 percentile

Answer 32

First

Question 33

Which level of measurenment is not a classification scale

Answer 33

All are classification scales

Question 34

What is the median of 24,26,27,29,30,31,32,32?

Answer 34

29.5

Question 35

A sample of personal files shows employees lost these numbers of days to absenteeism: 2,0,6,3,10,4,1,2. What is the mean average deviation?

Answer 35

2.38

Question 36

The aim of using a measure of variation is:

Answer 36

to double check the mean to see if the mean is representative or not.

Question 37

Which of these polygons has the smallest standard deviation?

Answer 37

Leptokurtic

Question 38

With skewness, which measure of central tendency is always at the maximum ordinate?

Answer 38

Mode

Question 39

A normal curve can be skewed?

Answer 39

False

Question 40

When the tails of a normal curve approach but never touch the baseline, it is said to be:

Answer 40

Asymptotic

Question 41

In a normal curve, the three main measures of central tendency always lie at the maximum ordinate?

Answer 41

True

Question 42

Who originated the normal curve?

Answer 42

Gauss