Advanced Algebra Exam Prep

A social networking website surveys its members to find out their opinion on privacy policies. They send an email to all members hoping that a large number will respond. Classify the sample.

• Stratified

• Self-Selected

• Systematic

• Convenience

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which of the following is most likely to be a random sample?

• Bill uses a computer to randomly generate numbers to choose which senators to whom he will send a letter

• Every fifth patron at a movie theater is searched for weapons

• Every student at a high school is surveyed

• Five statistics classes at Generic College are selected and each person in those classes is surveyed

Tags

CCSS.HSS.IC.B.3

Which method of data collection would you use to gather data for a study to determine the effect of forest fires on wildlife habitats?

• Perform an Experiment

• Observational study

• Take a Census

The scores of the top ten finishers in a recent race are listed below. 65 66 66 67 67 67 68 70 70 71 Find the mean score

• 66

• 67

• 67.7

• 1.9

Tags

CCSS.6.SP.B.5C

What is the median of the following data set shown in the dot plot:

• 7.6

• 8.5

• 9.5

• 9

Tags

CCSS.6.SP.B.5C

Consider the following unorganized data set: 12, 15, 8, 29, 30, 27, 19, 12 What is the range of the data set?

• 7.25

• 12

• 19

• 22

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following dot plots would most likely have the highest standard deviation?

• a. dot plot a

• b. dot plot b

• c. dot plot c

• d. dot plot d

In the following data set, what would be considered the outlier?

18, 18, 18, 19, 19, 20, 21, 21, 23, 23, 24, 32

• 1.5

• 18

• 20.5

• 32

How many students did not pass the test (their grade was below 70)?

• 0

• 1

• 2

• 3

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

This histogram shows the frequency distribution of duration times for 107 consecutive eruptions of the Old Faithful geyser. The duration of an eruption is the length of time, in minutes, from the beginning of the spewing of water until it stops. What is the BEST description for the distribution?

• bimodal

• uniform

• multiple outlier

• skewed right