Results Quiz

In order to reject the null hypothesis:

• P-value of < .05

• P-value of < .5

• P-value of > .5

• P-value of > .05

An example of a type 1 error is:

• Rejecting the null hypothesis when in fact, the null hypothesis should be retained

• Saying there is no significant difference between two groups when in fact there is one

• Accepting the null hypothesis, when in fact it should be rejected

• Having a sampling error

Temperature is an example of an

• Ordinal variable

• Nominal variable

• Ratio/Interval variable

• None

Eye color is an example of a

• Nominal variable

• Ordinal variable

• Interval variable

• Ratio variable

Education level is an example of a

• Nominal variable

• Ordinal Variable

• Interval/ratio variable

• None of these

hard question: what is the difference between ratio and interval scales of measurements

• They are the same.

• Ratio includes a 'true zero'

• Interval includes a 'true zero'

• Temperature would be an example of ratio, whereas seconds would be an example of interval

What is an example of a null hypothesis

• There is a positive correlation between age and height

• There is a significant difference in consumption of chocolate and obesity

• There is no difference in intelligence between dogs and cats

What is the main purpose of statistics

• To relay information in scientific terms

• To explain the hypotheses

• To provide descriptive summary data

• To give numeric values to words

What statistical test is the most common when wanting to determine whether there is a significant relationship between two continuous variables

• Pearson's r

• independent samples t test

• paired samples t test

• one way ANOVA

what is an example of a continuous variable

• empathy levels

• race

• cold hair

• dog breed