### Variable Correlation – Marketing Research Quiz 10

The key terms of Marketing Research include Variable Correlation.

If there is no relationship between two variables, the correlation coefficient between them would be:

-1.0

+1.0

100

**Zero – correct**

**Below are the correlation results for visits, items purchased, and distance. Which two variables have the strongest correlation? **

- Describe the relationship between distance from the store and number of visits.

Visits and distance

Distance and items_purchased

**Vists and items_purchased – correct**

The Brown Cow wants to know the relationship between extreme summer weather (in degrees Fahrenheit) and daily ice cream sales (in dollars). They bring you in to help them interpret a regression estimating ice cream sales as a function of temperature.

The results are below. Write out the regression equation to make the production below:

**Predict sales if temperature is 70 degrees**

- Dependent Variable: sales

$1873.36

#### $780.02 – correct

$54.66

$6,873.35

GTECH has hired a marketing research firm to find out whether two psychographic segments respond differently to a new lottery game. They categorize their customers into groups: optimistic and pessimistic.

The market research firm sends out a survey to a sample of consumers in each segment and asked them to rate their likelihood of buying the ticket on a scale of 1 (very unlikely) – 7 (very likely).

The results are below.

Is there a significant difference between the groups?

**Yes – correct**

No

In the regression equation, *Y = **b **0 + **b **X*, __Y____ is the:__

independent variable.

__Dependent variabl.- correct__

y-intercept.

Slope.

When the correlation between two variables is -.67, this means that as one variable ______, the other variable

None of the above

**Increases; decreases – correct**

Decreases; decreases

Increases; increases

The correlation coefficient ranges between:

-1.0 and zero

Zero and +1.0

-2.0 and +2.0

**-1.0 and +1.0 – correct**

Choose “True” for this answer

**Ture – correct**

False

When the on-time performance of airlines is used to predict the number of customer complaints in a regression equation, on-time performance is the ______ variable and the number of customer complaints is the ______ variable.

Independent; independent

Dependent; dependent

**Independent; dependent – correct**

Dependent; independent