Unit II: Module 7 Statistical Reasoning in Everyday Life

Question 1

Scientists tend to be more conservative when determining whether a difference is significant or not.

Accepted Answer

True

Question 2

How can you organize data meaningfully?

Accepted Answer

Graphs

Question 3

Which is better for conducting a study of reliable difference?

Accepted Answer

A large amount of cases

Question 4

Select the correct statement:

Accepted Answer

Most scores fall within one standard deviation on a normal bell curve.

Question 5

Inferential stats. help us infer the probability of something happening to an entire population based on sample data.

Accepted Answer

TRUE

Question 6

What does standard deviation measure?

Accepted Answer

A computed measure of how much scores vary around a mean score

Question 7

True or false: skewed distribution is a representation of scores that lack symmetry around their average value.

Accepted Answer

TRUE

Question 8

What is Statistical illiteracy?

Accepted Answer

The inability to read Statistics

Question 9

Representative samples are:

Accepted Answer

Better than biased or exceptional samples

Question 10

What is one of the necessary factors that are used to determine whether a difference is significant or not?

Accepted Answer

Reliable Sample average

Question 11

What are Descriptive Statistics used for?

Accepted Answer

To organize data in a meaningful way

Question 12

Which measure of central tendency is most representative of the data?

Accepted Answer

Median

Question 13

True or False: Statistics can lead to public misinformation

Accepted Answer

TRUE

Question 14

Which is more reliable?

Accepted Answer

An average based on low variability

Questions 14