Question 1

Calculate the quartiles of the following data set.

Accepted Answer

The answer of Calculate the quartiles of the following data...

Question 2

Calculate the third quartile.

Accepted Answer

The answer of Calculate the third quartile. 
...

Question 3

The second quartile of a data set always corresponds to the median.

Accepted Answer

The second quartile, also known as Q2, divides the data set into two equal halves and is equivalent to the median.

Question 4

The second quartile of a data set always corresponds to the mean.

Accepted Answer

The second quartile of a data set corresponds to the median, not the mean.

Question 5

Find the 10th percentile.

Accepted Answer

The answer of Find the 10th percentile. 
...

Question 6

Find the interquartile range.

Accepted Answer

The answer of Find the interquartile range.
 ...

Question 7

The range is the difference between the largest observation and the smallest observation.

Accepted Answer

The range is calculated by subtracting the smallest observation from the largest observation in a data set.

Question 8

For the data set 6 10 1
a) Calculate the deviations (X-X̄) . Round your answers to two decimal places.
b) Calculate the sample variance and the standard deviation.

Accepted Answer

The answer of For the data set 6 10 1
a)...

Question 9

For the data set
  
a) Calculate the deviations (X-X̄) and check to see that they add up to 0.
b) Calculate the sample variance and the standard deviation.

Accepted Answer

The answer of For the data set
  
a) Calculate...

Question 10

For the data set calculate s² by using the alternative formula. Round your answer to the nearest tenth.

Accepted Answer

The answer of For the data set calculate s²...

Question 11

Find the variance of the following data set.

Accepted Answer

The answer of Find the variance of the following data...

Question 12

Find the standard deviation of the following data set.

Accepted Answer

The answer of Find the standard deviation of the following...

Question 13

A football fan recorded the total number of points scored by 5 teams during week 1.
  
a) Calculate the sample variance.
b) Calculate the sample standard deviation.

Accepted Answer

The answer of A football fan recorded the total number...

Question 14

A report on the points gained by football teams playing at home in week 2 of the season are summarized below.
  
a) Calculate the sample variance.
b) Calculate the interquartile range.

Accepted Answer

The answer of A report on the points gained by...

Question 15

According to the empirical guidelines for symmetric bell-shaped distributions, approximately 95% of the data lie within

Accepted Answer

The answer of According to the empirical guidelines for symmetric...

Question 16

Refer to the data.
  
a) Calculate $\bar{X}$ and s.
b) Find the proportion of the observations that are in the intervals $\bar{X}±s$, $\bar{X}±2s$ , and $\bar{X}±3s$ .

Accepted Answer

The answer of Refer to the data.
  
a) Calculate...

Question 17

Based on the boxplot,
  complete the table.

Accepted Answer

The answer of Based on the boxplot,
  complete the...

Question 18

During a recent season, the Orlando Magics basketball team won 59 games. The diference in points for 24 of these games is shown below. Find the time plot that corresponds to these data.

Accepted Answer

The answer of During a recent season, the Orlando Magics...

Question 19

During a recent regular season, the Orlando magics basketball team won 59 games. The difference of points in 24 of these games is shown below. Find the control chart that corresponds to these data.
  I
  II

Accepted Answer

The answer of During a recent regular season, the Orlando...

Question 20

The number of bachelor's degrees earned in the United States, over
 a recent 20-year period are given in the following table. The number is
 presented in millions of degrees.
  Select the time plot of the number of bachelor's degrees.

Accepted Answer

The answer of The number of bachelor's degrees earned in...

Quiz 2: Organization and Description of Data

Calculate the quartiles of the following data set.

Calculate the third quartile.

The second quartile of a data set always corresponds to the median.

The second quartile of a data set always corresponds to the mean.

Find the 10th percentile.

Find the interquartile range.

The range is the difference between the largest observation and the smallest observation.

For the data set 6 10 1 a) Calculate the deviations (X-X̄) . Round your answers to two decimal places. b) Calculate the sample variance and the standard deviation.

For the data set a) Calculate the deviations (X-X̄) and check to see that they add up to 0. b) Calculate the sample variance and the standard deviation.

For the data set calculate s2 by using the alternative formula. Round your answer to the nearest tenth.

Find the variance of the following data set.

Find the standard deviation of the following data set.

A football fan recorded the total number of points scored by 5 teams during week 1. a) Calculate the sample variance. b) Calculate the sample standard deviation.

A report on the points gained by football teams playing at home in week 2 of the season are summarized below. a) Calculate the sample variance. b) Calculate the interquartile range.

According to the empirical guidelines for symmetric bell-shaped distributions, approximately 95% of the data lie within

Refer to the data. a) Calculate Xˉ\bar{X}Xˉ and s. b) Find the proportion of the observations that are in the intervals Xˉ±s\bar{X}±sXˉ±s , Xˉ±2s\bar{X}±2sXˉ±2s , and Xˉ±3s\bar{X}±3sXˉ±3s .

Based on the boxplot, complete the table.

During a recent season, the Orlando Magics basketball team won 59 games. The diference in points for 24 of these games is shown below. Find the time plot that corresponds to these data.

During a recent regular season, the Orlando magics basketball team won 59 games. The difference of points in 24 of these games is shown below. Find the control chart that corresponds to these data. I II

The number of bachelor's degrees earned in the United States, over a recent 20-year period are given in the following table. The number is presented in millions of degrees. Select the time plot of the number of bachelor's degrees.

For the data set calculate s² by using the alternative formula. Round your answer to the nearest tenth.