The table shows the results of a survey about favorite types of stores. Determine the relative frequency for each store.

clothing: 38% electronics: 22% pet: 10% candy: 30%

clothing: 19% electronics: 11% pet: 5% candy: 15%

clothing: 50% electronics: 25% pet: 5% candy: 20%

clothing: 35% electronics: 23% pet: 15% candy: 27%

Which is a true statement based on the box plots above

The data for Team B have the greater interquartile range.

The data for Team B have the greater range.

The data for Team A are more symmetric.

The data for Team A have the greater median.

Which statement is true about the interquartile range?

Class 1 has an interquartile range of 4, and Class 2 has an interquartile range of 5.

Class 1 has and interquartile range of 4 which is greater than the interquartile range of Class 2.

Class 1 has and interquartile range of 5 which is greater than the interquartile range of Class 2.

Class 1 and Class 2 have an interquartile range of 14.

Compare the centers and spreads.

Math has a higher median (center) and a wider spread.

Math has a higher median (center) and a smaller spread.

Math has a lower median (center) and a smaller spread.

Math has a lower median (center) and a wider spread.

How does the median number of miles driven for Driver A compare to the median number of miles driven for Driver B?

Driver A drives much less than Driver B when comparing medians.

Driver B drives much less than Driver A when comparing medians.

Driver A and Driver B make the same amount of money.

Find the median, first quartile, third quartile, and interquartile range of the data. 32, 53, 72, 66, 47, 54, 49, 67, 71

Median: 54 First Quartile: 48 Third Quartile: 69 IQR: 21

Median: 54 First Quartile: 49 Third Quartile: 67 IQR: 18

Median: 54 First Quartile: 48 Third Quartile: 69 IQR: 22

Median: 54 First Quartile: 49 Third Quartile: 69 IQR: 20

If I tell you that you scored at the 55th percentile on your final exam, you would know:

55% of the class scored the same or worse than you did

45% of the class scored worse than you did

The response variable is:

The variable we expect to change in response to the explanatory variable

The variable we expect to explain or predict the value of the explanatory variable.

Sometimes called the independent variable

We wish to investigate the relationship between the number seeds planted in a garden and the number of fruit grown. The explanatory variable (EV) is

The amount of soil in the garden

The number of hours spent watering the plants

In a survey at school, it is found that grades in Mathematics and hours of time spent on completing homework has an association. Which variable is the response variable?

Connection between the variables is not clear

Time spent completing homework as it determines the grade in mathematics.

Which sentence describes the relationship shown on this scatter plot?

As the time spent training increases, the time to run 100 m decreases.

The more time spent training, the longer it takes to run 100 m.

As the time spent training decreases, the time to run 100 m decreases.

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

B) The more books students read, the higher their English grade.

A) The more books students read, the lower their English grade.

C) The fewer books students read, the higher their English grade.

D) No relationship exists between the number of books students read and their English grades.

The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?

D) An increase in coffee shops causes an increase in violent crimes

A) As the number of coffee shops increase, violent crimes appears to increase.

B) The line of best fit (regression line) shows a positive correlation

C) The data has a positive correlation coefficient

In a certain population there is an approximately linear relationship between y=height of females (in centimeters) and x=their age (in years, from 5 to 18) described by the equation y "hat'=50.3+6.1x. Which one of the following statements must be true?

The estimated slope is 6.1, which implies that girls in this population between the ages of 5 and 18 are predicted to grow about 6.1 centimeters in height for every year they grow older.

The estimated intercept is 60.3 centimeters. We can conclude from the intercept that the typical height of a girl in this population is 50.3 centimeters at birth.

A 10 year old girl in this population is at least 110.3 centimeters tall.

One particular 8 year old girl is 115 centimeters tall. She is shorter than expected for girls her age in the population.

Scientists examined the activity level of 7 fish at different temperatures. The least-squares regression equation was calculated for the relationship between y = fish activity (rated as 0 = no activity and 100=maximal activity) and x = water temperature in degrees Celsius. The regression calculation produced a value of s=4.785. Which pf the following gives a correct interpretation of s in this setting?

The typical distance of the temperature readings from their mean is about 4.785 degrees Celsius.

For every 1 degree Celsius increase in temperature, fish activity is predicted to increase by 4.785 units.

The typical distance of the activity level ratings from the least-squares line is about 4.785 units.

The typical distance of the activity-level ratings from their mean is about 4.785 units.

Prob/Stats Fall Final Review

11th - 12th Grade

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55 Qs

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•

11th - 12th Grade

•

Practice Problem

•

Medium

•

CCSS

6.SP.B.5, HSF-LE.A.1B, HSS.ID.A.4

+30

Standards-aligned

Ellen Jackson

Used 59+ times

FREE Resource

55 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Population is...

... the total amount of things.

... a small part used for the study.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sample size is the total amount of things in a population.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Variables can be classified as...

... qualitative and quantitative.

... qualitative and categorical.

... quantitative and categorical.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If your teacher asked you to make categorical observations about the class’s pet hamster, which group of words might be used?

A mass of 3 kg, 11 cm long, age of 16 months

A mass of 3 kg, 11 cm long, cute

A long hair, white and brown colored, soft

A temperature, length, weight

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of quantitative data?

The color of your car

A person's state of residence

A person's Zip Code

A Person's Height

Tags

CCSS.7.SP.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of categorical data?

High School Graduate or Not

Annual Income

Years of Schooling Completed

Years of playing an instrument

Tags

CCSS.HSS.ID.B.5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relative frequency of cheetahs at the refuge?

25%

20%

16%

100%

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

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Population is...

Sample size is the total amount of things in a population.

Variables can be classified as...

If your teacher asked you to make categorical observations about the class’s pet hamster, which group of words might be used?

Which of the following is an example of quantitative data?

Which of the following is an example of categorical data?

What is the relative frequency of cheetahs at the refuge?

The table shows the results of a survey about favorite types of stores. Determine the relative frequency for each store.

How many MORE people like Owls than Dogs?

Which is the most popular meal?

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