Question 1

The amount of time taken by each of 10 students in a class to complete an exam is an example of what type of data? ​

Accepted Answer

A) Cannot be determined 
B) Categorical data 
C) Time series data 
D) Quantitative data 
A) Cannot be determined 
B) Categorical data 
C) Time series data 
D) Quantitative data

Question 2

The goal regarding using an appropriate number of bins is to show the

Accepted Answer

A) number of observations. 
B) number of variables. 
C) variation in the data. 
D) correlation in the data. 
A) number of observations. 
B) number of variables. 
C) variation in the data. 
D) correlation in the data.

Question 3

When working with large spreadsheets with many rows of data, it can be helpful to __________ the data to better find, view, or manage subsets of data.

Accepted Answer

A) split 
B) sort and filter 
C) chart 
D) manipulate 
A) split 
B) sort and filter 
C) chart 
D) manipulate

Question 4

For data having a bell-shaped distribution, approximately __________ percent of the data values will be within one standard deviation of the mean.

Accepted Answer

A) 95 
B) 66 
C) 68 
D) 97 
A) 95 
B) 66 
C) 68 
D) 97

Question 5

The distribution of hourly sales for a local family owned store is normally distributed with a mean of $225 per hour and a standard deviation of $75 per hour. Which of the following intervals contains the middle 95% of hourly sales?

Accepted Answer

A) $75 to $375 
B) $150 to $300 
C) $175 to $275 
D) $125 to $325 
A) $75 to $375 
B) $150 to $300 
C) $175 to $275 
D) $125 to $325

The amount of time taken by each of 10 students in a class to complete an exam is an example of what type of data?

The goal regarding using an appropriate number of bins is to show the

When working with large spreadsheets with many rows of data, it can be helpful to __________ the data to better find, view, or manage subsets of data.

For data having a bell-shaped distribution, approximately __________ percent of the data values will be within one standard deviation of the mean.

The distribution of hourly sales for a local family owned store is normally distributed with a mean of $225 per hour and a standard deviation of $75 per hour. Which of the following intervals contains the middle 95% of hourly sales?

Introduction

Data Visualization

Descriptive Data Mining

Probability: an Introduction to Modeling Uncertainty

Statistical Inference

Linear Regression

Time Series Analysis and Forecasting

Predictive Data Mining

Spreadsheet Models

Monte Carlo Simulation

Linear Optimization Models

Integer Linear Optimization Models

Nonlinear Optimization Models

Decision Analysis

Filters

Exam 2: Descriptive Statistics

The amount of time taken by each of 10 students in a class to complete an exam is an example of what type of data? ​

The goal regarding using an appropriate number of bins is to show the

When working with large spreadsheets with many rows of data, it can be helpful to __________ the data to better find, view, or manage subsets of data.

For data having a bell-shaped distribution, approximately __________ percent of the data values will be within one standard deviation of the mean.

The distribution of hourly sales for a local family owned store is normally distributed with a mean of $225 per hour and a standard deviation of $75 per hour. Which of the following intervals contains the middle 95% of hourly sales?

Introduction

Data Visualization

Descriptive Data Mining

Probability: an Introduction to Modeling Uncertainty

Statistical Inference

Linear Regression

Time Series Analysis and Forecasting

Predictive Data Mining

Spreadsheet Models

Monte Carlo Simulation

Linear Optimization Models

Integer Linear Optimization Models

Nonlinear Optimization Models

Decision Analysis

Filters

The amount of time taken by each of 10 students in a class to complete an exam is an example of what type of data?