We're trying to show that the proportion of Americans who have a vision impairment is greater than 60%. What type of test should we use?

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We're trying to show that the proportion of Americans who have a vision impairment is greater than 60%. What type of test should we use?

Single Sample z-test

Single Sample t-test

Two Sample t-test

Two Sample z-test

We're trying to show that the true average skull circumference in adults is less than 12 inches. What type of test should we use?

Single Sample t-test

Single Sample z-test

ANOVA

Two Sample z-test

What type of variable should the dependent variable be for an ANOVA?

Qualitative

Discrete

Continuous

Binary

A two sample t-test would mean we're working with ______ of the two groups. proportions

standard deviations

means

ranges

An independent variable for an ANOVA is this type of data

Continuous

Discrete

Qualitative

Replication

We're trying to show that the true proportion of Americans with some form of cancer is less than 30%. What type of test should we use?

Single Sample z-test

Single Sample t-test

Two Sample t-test

Two sample z-test

We're trying to show that the true average age of a male heart attack patient is greater than 50 years old. What type of test should we use?

Single Sample t-test

Single Sample z-test

Two Sample t-test

Two Sample z-test

We're trying to find a relationship between height and weight. What type of test should we use?

Regression

t-test

ANOVA

Chi Square test for dependence

We're trying to show that there is an nitrogen effect on corn stalk height. We tested three different types of nitrogen, and measured corn stalk height. What type of test should we use?

ANOVA

Multiway ANOVA

t-test

Chi Square test for dependence

To use regression analysis, the data type for the variables that are required are

Both discrete

Independent variable is discrete, dependent variable is continuous

Independent variable is continuous, dependent variable is discrete

Both continuous