Intro Stats

A statistical method concerned with the analysis of a sample data leading to prediction, inferences, interpretation, or conclusion about the entire population.

Two branches of statistics are________________ and ___________.

• engineering and chemistry

• mathematical and inferential

• inferential and descriptive

• hard and easy

In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money.

• parameter

• statistic

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic

• The range of the Chess club is higher than that of the Debate team.

• The Debate team has more members than the Chess club.

• Majority of the Chess club is between 15 and 18 years of age.

• Fifty percent of the members are older than 16.

• the lower quartile is 28

• the upper quartile is 325

• the upper quartile is 275

• The IQR is 297

• 1-99

• 100-199

• 200-299

• 300-399

• The mean will increase.

• The IQR will increase.

• The standard deviation will remain the same.

• The data would become more symmetric.

• range

• median

• Quartile 3

• Interquartile Range

• The women's data has a smaller standard deviation than the men's.

• The men's shoes cost more.

• The men's shoes have a higher IQR.

• The women's shoes cost more.