3317 1.Probability & Statistics Ch 1-2 Review Flashcards

1

How many numbers are in the first class (0 - 9)?

0
5
7
9

2

Inferential statistics means to...

Make a prediction about results
Analyze the consequences
Describe the data collected
Not believe something

3

How much was added when the classes below were created?

24
6
9
10

4

How much was added when the classes below were created?

10
12
12.5
13

5

What is the next class if A = 9

51-61
50-59
51-60
42-51

6

What is the Range for this data set?

3
2
5
7

7

Relative frequency can be converted to percentage by...

just adding the % symbol
moving the decimal to the left two times
moving the decimal to the right two times
multiplying it by 4

8

What is the Mode for this data set?

6
7
2
4

9

Define Population

Some of the cats in our town.
One of my classes.
Every data point in a set.
Ten candy bars from a bag of 100.

10

What is an example of a sample?

Chances of something happening.
Every dog in our state.
Eating 2 cookies from a large jar.
Every shirt at Walmart.

11

Qualitative data is:

whole number observations
non-numerical observations
has to be a number
numerical observations

12

What are the midpoints for classes 1 and 2 ?

25 & 36
24 & 32
26 & 34
23 & 34

13

What would be the 4th class for this data table?

54 - 64
50 - 60
53 - 63
53 - 60

14

What is the relative frequency of Mark 4 if n=10

6/10 = 0.6
2/5 = 0.4
2/10 = 0.2
4/10 = 0.4

15

Quantitative data is ...

Data described with words
Data that cannot be measured or counted
Numerical set of data points
Color of your eyes

16

How many numbers are in the second class (31 - 41)?

72
41
43
31

3317 1.Probability & Statistics Ch 1-2 Review

Questions 16

3317 1.Probability & Statistics Ch 1-2 Review

Questions 16