Question 1

$$\text { In a unimodal, symmetrical distribution as shown in the figure below, }$$

Accepted Answer

A)  the median and the mode are the same, but the mean can be different. 
B)  the mean, the median, and the mode are the same. 
C)  the mean is the same as the median, but the mode can be different. 
D)  the mean, the median, and the mode are different. 
A)  the median and the mode are the same, but the mean can be different. 
B)  the mean, the median, and the mode are the same. 
C)  the mean is the same as the median, but the mode can be different. 
D)  the mean, the median, and the mode are different.

Question 2

Find the median for the following data set: 27 22 25 10 10 16

Accepted Answer

A)  19 
B)  10 
C)  18.3 
D)  17 
A)  19 
B)  10 
C)  18.3 
D)  17

Question 3

Find the population standard deviation for the following data set: 20 18 15 12 24

Accepted Answer

A)  17 
B)  4.6 
C)  21.2 
D)  4.1 
A)  17 
B)  4.6 
C)  21.2 
D)  4.1

Question 4

The following data represent the total price, in dollars, of 20 randomly-selected gasoline purchases at a certain convenience store.
$\begin{array}{lllllllllll}
\hline 21.65 & 32.07 & 39.46 & 42.22 & 14.00 & 43.02 & 47.81 & 41.60 & 11.99 & 42.34 \
16.40 & 44.80 & 30.04 & 45.22 & 42.16 & 49.39 & 29.51 & 33.42 & 43.97 & 46.61 \
\hline
\end{array}$

Find the mean price for these purchases.

Accepted Answer

A)  $41.88 
B)  $35.88 
C)  $130.84 
D)  $37.40 
A)  $41.88 
B)  $35.88 
C)  $130.84 
D)  $37.40

Question 5

Find the mode for the following data set: 33 28 22 11 11 17

Accepted Answer

A)  20.3 
B)  22 
C)  11 
D)  19.5 
A)  20.3 
B)  22 
C)  11 
D)  19.5

Question 6

Check the following data set for outliers.
73, 82, 84, 84, 86, 87, 89, 91

Accepted Answer

73 is an o

Question 7

$$\begin{array}{l}
\text { For the data set below, list the outliers, if any. }\
\begin{array} { l l l l l } 
\hline 45 & 50 & 47 & 70 & 47 \
12 & 41 & 43 & 64 & 53 \
31 & 63 & 37 & 45 & 66 \
63 & 53 & 60 & 93 & 59 \
\hline
\end{array}
\end{array}$$

Accepted Answer

A)  93 
B)  12 and 31 
C)  12 and 93 
D)  There are no outliers. 
A)  93 
B)  12 and 31 
C)  12 and 93 
D)  There are no outliers.

$\text { In a unimodal, symmetrical distribution as shown in the figure below, }$ $\text { In a unimodal, symmetrical distribution as shown in the figure below, }$

Find the median for the following data set: 27 22 25 10 10 16

Find the population standard deviation for the following data set: 20 18 15 12 24

The following data represent the total price, in dollars, of 20 randomly-selected gasoline purchases at a certain convenience store. 21.65 32.07 39.46 42.22 14.00 43.02 47.81 41.60 11.99 42.34 16.40 44.80 30.04 45.22 42.16 49.39 29.51 33.42 43.97 46.61 Find the mean price for these purchases.

Find the mode for the following data set: 33 28 22 11 11 17

Check the following data set for outliers. 73, 82, 84, 84, 86, 87, 89, 91

For the data set below, list the outliers, if any. 45 50 47 70 47 12 41 43 64 53 31 63 37 45 66 63 53 60 93 59

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters

Exam 3: Data Description

In a unimodal, symmetrical distribution as shown in the figure below, \text { In a unimodal, symmetrical distribution as shown in the figure below, } In a unimodal, symmetrical distribution as shown in the figure below,

Find the median for the following data set: 27 22 25 10 10 16

Find the population standard deviation for the following data set: 20 18 15 12 24

The following data represent the total price, in dollars, of 20 randomly-selected gasoline purchases at a certain convenience store. 21.65 32.07 39.46 42.22 14.00 43.02 47.81 41.60 11.99 42.34 16.40 44.80 30.04 45.22 42.16 49.39 29.51 33.42 43.97 46.61 Find the mean price for these purchases.

Find the mode for the following data set: 33 28 22 11 11 17

Check the following data set for outliers. 73, 82, 84, 84, 86, 87, 89, 91

For the data set below, list the outliers, if any. 45 50 47 70 47 12 41 43 64 53 31 63 37 45 66 63 53 60 93 59

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters

$\text { In a unimodal, symmetrical distribution as shown in the figure below, }$ $\text { In a unimodal, symmetrical distribution as shown in the figure below, }$