Question 1

According to the Empirical Rule, if the data form a bell shaped normal distribution, approximately ____________________ percent of the observations will be contained within 2 standard deviations around the mean.

Accepted Answer

The answer of According to the Empirical Rule, if the...

Question 2

There are three statistics used to measure variability in a data set; the range, the ____________________ and the ____________________.

Accepted Answer

The answer of There are three statistics used to measure...

Question 3

The ____________________ mean of n returns (or growth rates) is the appropriate mean to calculate if you wish to estimate the mean rate of return (or growth rate) for any single period in the future.

Accepted Answer

The answer of The ____________________ mean of n returns (or...

Question 4

If a data set is composed of 5 different numbers, there are ____________________ modes.

Accepted Answer

The answer of If a data set is composed of...

Question 5

The ____________________ is not as sensitive to extreme values as the ____________________.

Accepted Answer

The answer of The ____________________ is not as sensitive to...

Question 6

If a data set contains an even number of observations, the median is found by taking the ____________________ of these two numbers.

Accepted Answer

The answer of If a data set contains an even...

Question 7

The ____________________ is the square root of the ____________________.

Accepted Answer

The answer of The ____________________ is the square root of...

Question 8

According to the Empirical Rule, if the data form a bell shaped normal distribution approximately ____________________ percent of the observations will be contained within 1 standard deviation around the mean.

Accepted Answer

The answer of According to the Empirical Rule, if the...

Question 9

There are three measures of central location; the mean, the ____________________ and the ____________________.

Accepted Answer

The answer of There are three measures of central location;...

Question 10

The ____________________ is the least effective of all the measures of variability.

Accepted Answer

The answer of The ____________________ is the least effective of...

Question 11

If the first and second quartiles are closer to each other than are the second and third quartiles, the shape of the histogram based on the quartiles is ____________________.

Accepted Answer

The answer of If the first and second quartiles are...

Question 12

A statistic that interprets the standard deviation relative to the size of the numbers in the data set is called the ____________________ of ____________________.

Accepted Answer

The answer of A statistic that interprets the standard deviation...

Question 13

The ____________________ mean is used whenever we wish to find the "average" growth rate, or rate of change, in a variable over time.

Accepted Answer

The answer of The ____________________ mean is used whenever we...

Question 14

The size of a sample is denoted by the letter ____________________, and the size of a population is denoted by the letter ____________________.

Accepted Answer

The answer of The size of a sample is denoted...

Question 15

The ____________________ uses both the mean and the standard deviation to interpret standard deviation for bell shaped histograms.

Accepted Answer

The answer of The ____________________ uses both the mean and...

Question 16

According to the Empirical Rule, if the data form a bell shaped normal distribution approximately ____________________ percent of the observations will be contained within 3 standard deviations around the mean.

Accepted Answer

The answer of According to the Empirical Rule, if the...

Question 17

The ____________________ is the least desirable of all the measures of central location.

Accepted Answer

The answer of The ____________________ is the least desirable of...

Question 18

The ____________________ is calculated by finding the middle of the data set, when the data are ordered from smallest to largest.

Accepted Answer

The answer of The ____________________ is calculated by finding the...

Question 19

The sample mean is denoted by ____________________ and the population mean is denoted by ____________________.

Accepted Answer

The answer of The sample mean is denoted by ____________________...

Question 20

The range, variance, standard deviation, and coefficient of variation are to be used only on ____________________ data.

Accepted Answer

The answer of The range, variance, standard deviation, and coefficient...

Quiz 3: Numerical Descriptive Techniques

According to the Empirical Rule, if the data form a bell shaped normal distribution, approximately ____________________ percent of the observations will be contained within 2 standard deviations around the mean.

There are three statistics used to measure variability in a data set; the range, the and the .

The ____________________ mean of n returns (or growth rates) is the appropriate mean to calculate if you wish to estimate the mean rate of return (or growth rate) for any single period in the future.

If a data set is composed of 5 different numbers, there are ____________________ modes.

The is not as sensitive to extreme values as the .

If a data set contains an even number of observations, the median is found by taking the ____________________ of these two numbers.

The is the square root of the .

According to the Empirical Rule, if the data form a bell shaped normal distribution approximately ____________________ percent of the observations will be contained within 1 standard deviation around the mean.

There are three measures of central location; the mean, the and the .

The ____________________ is the least effective of all the measures of variability.

If the first and second quartiles are closer to each other than are the second and third quartiles, the shape of the histogram based on the quartiles is ____________________.

A statistic that interprets the standard deviation relative to the size of the numbers in the data set is called the of .

The ____________________ mean is used whenever we wish to find the "average" growth rate, or rate of change, in a variable over time.

The size of a sample is denoted by the letter , and the size of a population is denoted by the letter .

The ____________________ uses both the mean and the standard deviation to interpret standard deviation for bell shaped histograms.

According to the Empirical Rule, if the data form a bell shaped normal distribution approximately ____________________ percent of the observations will be contained within 3 standard deviations around the mean.

The ____________________ is the least desirable of all the measures of central location.

The ____________________ is calculated by finding the middle of the data set, when the data are ordered from smallest to largest.

The sample mean is denoted by and the population mean is denoted by .

The range, variance, standard deviation, and coefficient of variation are to be used only on ____________________ data.