Intro To Probability And Statistics

Front 1

µ is the symbol for:

Back 1

population mean

Front 2

σ is the symbol for:

Back 2

population standard deviation

Front 3

s is the symbol for:

Back 3

sample standard deviation

Front 4

n is the symbol for:

Back 4

sample size

Front 5

N is the symbol for:

Back 5

population size

Front 6

x is the symbol for:

Back 6

data items

Front 7

Σ is the symbol for:

Back 7

summation

Front 8

The arithmetical middle of a data set is:

Back 8

mean

Front 9

The physical middle of an ordered data set is:

Back 9

median

Front 10

The most common element of a data set is:

Back 10

mode

Front 11

The 50th percentile is equal to what measure of center?

Back 11

median

Front 12

A summary measure computed from an entire population.

Back 12

Parameter

Front 13

A summary measure computed from a sample.

Back 13

Statistic

Front 14

A data set made up of all individuals of interest to the researcher.

Back 14

Population

Front 15

A data set made up of some of the individuals of interest to the researcher.

Back 15

Sample

Front 16

The measure of center that is most affected by an outlier is:

Back 16

Mean

Front 17

A data set made up of word answers (yes/no, red/yellow, etc.) is Qualitative or Quantitative?

Back 17

Qualitative

Front 18

A data set made up of numerical answers like zip codes, jersey numbers, etc. is Qualitative or Quantitative?

Back 18

Qualitative

Front 19

A data set made up of numerical measurements (heights, weights, costs, etc) is Qualitative or Quantitative?

Back 19

Quantitative

Front 20

Qualititative Data that has no meaningful order--cannot be arranged from smallest to largest, worst to best, etc. is Nominal, Ordinal, Interval, or Ratio Data?

Back 20

Nominal

Front 21

Qualitative Data that can be arranged from smallest to largest, worst to best, or some similar order that carries a meaning of progression is Nominal, Ordinal, Interval, or Ratio Data?

Back 21

Ordinal

Front 22

Quantitative Data that has no inherent zero--zero is a number on a scale; zero does not mean "none" is Nominal, Ordinal, Interval, or Ratio Data?

Back 22

Interval

Front 23

Quantitative Data that has an inherent zero--zero means "none". Additionally, twice a data value would actually mean twice as much is Nominal, Ordinal, Interval, or Ratio Data?

Back 23

Ratio

Front 24

What measure(s) of center can be found from a Pareto chart?

Back 24

Mode

Front 25

What graphical display shows only quantitative data?

Back 25

Histogram

Front 26

What graphical display shows the relationship of the parts to the whole?

Back 26

Pie chart

Front 27

What graphical display of columns would you use for Nominal Data that has no expected order?

Back 27

Pareto chart

Front 28

What graphical display of columns would you use for Ordinal Data or Nominal Data that has an expected order?

Back 28

Bar chart

Front 29

What graphical display show the progression of a variable over time?

Back 29

Time Series Chart

Front 30

What word describes a countable list of data that generally jumps from whole number to whole number, or can have a limited number of fractional possibilities?

Back 30

Discrete

Front 31

What word describes an infinite data set, where the members cannot possibly be listed because all values between whole numbers are possible?

Back 31

Continuous

Front 32

The sampling technique that gives each member of the population an equal chance of being chosen.

Back 32

Simple Random Sample

Front 33

The sampling technique that has choose a random starting place and then choose each nth member of the population.

Back 33

Systematic

Front 34

The sampling technique that has one divide the population into groups and then take random samples from each defined group.

Back 34

Stratified

Front 35

The sampling technique that has one divide the population into groups, randomly choose a small number of those defined groups, and survey every member of the chosen groups.

Back 35

Cluster

Front 36

Taking a sample from those who are accessible.

Back 36

Convenience

Front 37

The symbol for the sample proportion is:

Back 37

^
p

Front 38

The symbol for the sample mean is:

Back 38

_
x

Front 39

The symbol for the sample variance is:

Back 39

<sp>2
s

Front 40

The symbol for the population variance is:

Back 40

2
σ

Front 41

How do you find the range?

Back 41

Maximum data value minus the minimum data value

Front 42

How do you find the IQR?

Back 42

Third quartile value minus the first quartile value.

Front 43

Which measure of center is shown in a box-and-whisker plot?

Back 43

Median

Front 44

Given the standard deviation, how do you find the variance?

Back 44

Square the standard deviation

Front 45

The symbol for a linear regression line is:

Back 45

^
y

Front 46

The symbol for the coefficient of determination is:

Back 46

2
r

Front 47

p is the symbol for:

Back 47

population proportion

Front 48

α is the symbol for:

Back 48

level of significance

Front 49

E is the symbol for:

Back 49

error of the estimate

Front 50

r is the symbol for:

Back 50

correlation coefficient