College Stats Unit 1 Vocab/Symbols CYU Flashcards

1

What is the symbol for Sample Standard Deviation?

sx or s
SSD
σ
₯

2

A data set has \overline{x}=120 and s=25. According to Chebyshev's Theorem, at least 75% of the data lies between...

70 to 195
70 to 170
45 to 195
95 to 145

3

According to Chebyshev's Theorem, what percentage of data lies between 2 standard deviations of the mean?

50%
75%
90%
88.5%

4

How do you find the IQR?

Q1 + Q3
Q3 - Q1
2 x Q2
Q4 - Q2

5

What is the best way to describe standard deviation?

The average of the sample as compared to the population
The exact middle of a set of data
The range from smallest to largest of a set of data
How a set of data is spread out

6

Find the IQR

-5
-1.5
5
1.5

7

What does the symbol N represent?

Maximum Number
Population Size
Degrees of Freedom
Sample Size

8

What does this symbol represent?

Average
Sum
Standard Deviation
Margin of Error

9

A statistic is:

Did we even cover this?
A numerical value computed from a sample
A numerical value computed from a population
Nothing of great importance

10

What does this symbol stand for?

Population Standard Deviation
Population Mean
Sample Standard Deviation
Sample Mean

11

population parameter

The geographic area where the study takes place.
The domain and range of the graph of the data.
A number that describes the population. ex: variance, mean, standard dev.

12

What is the symbol for population standard deviation?

SD
sx
x
σ

13

Order the data sets from largest standard deviation to smallest standard deviation.

3, 2, 1
2, 3, 1
1, 3, 2
1, 2, 3

14

What does this symbol stand for?

Sample Mean
Predicted x-value
Sum of x
Population Mean

15

What does the symbol n represent?

Sample Size (number of data points)
Standard Deviation
Sample Mean
name

College Stats Unit 1 Vocab/Symbols CYU

Questions 15

College Stats Unit 1 Vocab/Symbols CYU

Questions 15