Exam 12: Business Statistics and Regression Analysis

When creating a frequency table using the FREQUENCY function,you must select a range of cells that is one more than the cells containing the bin values.

Array functions are often referred to as "CDE" functions because of the keys pressed to create the function.

When working with large data sets,it can be useful to group the data into ________.

If a product is tested 100 times and the rate at which it fails is recorded on a scale of 1 to 10,then the average of all the product's failure rates on the scale could be useful.This is an example of ________ data.

________ data measures the size of the difference between values.

A(n)________ distribution takes on the shape of a bell and is often referred to as the "bell-shaped curve."

________ is the practice of collecting,analyzing,and interpreting data.

________ are only useful with discrete data that is sorted in either ascending or descending order.

Correlation coefficient values are easy to interpret,but it is often more powerful to create a ________ chart that illustrates that relationship visually.

The ________ distribution is a continuous probability function that models the times between events.

Each of these calculations,mean,median,and mode,attempt to define the ________ of a data set.

The Turquoise Oasis Spa places orders for cases of bath salts through a nearby wholesaler.To summarize several orders worth of data,it may prove beneficial to determine how many orders of bath salts were for 1 to 10 cases,between 11 and 20 cases,21 to 30 cases,31 to 40 cases,and more than 40 cases.This is an example of ________.

________ is a method used to predict future values by analyzing the relationships between two or more variables.

The ________ distribution is a discrete probability distribution that is used to model the number of successful trials based on the total number of trials and the rate of success.

All of the following statements are TRUE about finding relationships in data EXCEPT:

To calculate the ________,sum of all values in a data set and divide by the total number of values.

________ is the practice of collecting,analyzing,and interpreting data.

________ is the middle value(s)when all the values of the sample are sorted in ascending order.

Covariance is a formula that can calculate the relationship between two variables,like gender and dollars spent as well as the direction of the relationship.

The ________ provides a more conservative estimate of the independent variable's ability to predict the value of the dependent variable.