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Data
Quantitative
Categorical
Vocabulary
Extra
100

The mean number of hours worked for 30 males was 6 and for 20 females was 9.  The overall mean number of hours worked is ___

What is 7.2 hours?

100

Unusual observations that differ significantly from the rest of the data

What is an outlier(s)?

100
Of the following, a _________ is the graph that can't be used to display categorical data.

pie graph, bar graph, histogram

What is a histogram?

100

Q3 - Q1

What is IQR

100

Data is plotted as a dot on a number line.

What is a dotplot?

200

The value at the 25th percentile of a data set.

What is the first quartile or Q1?

200

How spread out the data are, measured by Range (max - min) or Standard Deviation, and the Interquartile Range (IQR).

What is variability?

200

In a class of 50 students

Scores           Frequency

90-100           12                                                       80-89             15                                                       70-79             14                                                       60-69               9

The median score falls in this interval


What is the 80-89 interval?

200
Used to describe the center of a distribution that is skewed left
What is the median?
200

of the following which does not show gaps in the data

dotplot, histogram, boxplot, stemplot

What is boxplot?

300

The time, in minutes, it took each of 11 students to complete a puzzle was recorded and is shown in the following list

9,17,20,21,27,29,30,31,32,35,52

How many outlier(s) are there if any?

What is 1 outlier?

300
The distribution of 27 salaries at a small company has a mean of $35,000 and a standard deviation of $2000. The company hires a new CFO that will make $150,000.  This additional salary does what to the shape of the distribution of salaries.

What is skews it to the right?

300

eye color, weight, gender, height, handedness

the number of these variables that are categorical

What is 3?

300

Used to describe the spread of a distribution that is symmetric

What is the standard deviation?

300

4, 5, 7, 10, 15, 18, 24, 36, 48

The five number summary is

What is 4, 6, 15, 30, 48?

400

7, 6, 5, 9, 3, 4, 7, 9, 5, 8

The median of the data set is

What is 6.5?

400

the mean of the data set

25, 30, 38, 45, 52, 63, 76

What is 47?

400

                   Male       Female        Total

Democrat      25           18              43                       Republican    26            34              60                       Independent   8              9              17

What percent of Republicans are Female?



What is 57%?

400

All of the following can be used to display quantitative data except __________

boxplot, stemplot, histogram, bar graph, dotplot

What is a bar graph?

400

If the five number summary is 10, 15, 26, 31, 79

what percentage of the data is between 10 and 31?

What is 75%

500
If the distribution of data is skewed left then the

mean ____ median?

What is less than?
500

the standard deviation of the following data set 

14, 25, 38, 25, 39, 51, 60

(round to 2 decimal places)

What is 16.02?

500

                   Male       Female        Total

Democrat      25           18              43                       Republican    26            34              60                       Independent   9              8              17

What % of males are Democrat?

What is 42%?

500

A variable whose values are labels or group names. 




What is a categorical variable?

500
Name the four things you should include when describing a distribution
What is shape, outliers, center, and spread?