Unit 8 Probability and Statistical Reasoning

simple probability

What are the odds?

Match

Match the following

• Independent

• Dependent

• Probability

When you replace the item

When you DO NOT replace the item

The chance of something happening

• When you replace the item

• When you DO NOT replace the item

• The chance of something happening

Multiple Choice

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

Multiple Choice

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

Multiple Choice

What is the probability of spinning an even number? 

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Multiple Choice

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

• 8/121

• 4/11

• 2/11

• 4/121

Multiple Choice

• 0%

• 1/6, 16.7%

• 1/2, 50%

• 6/6 100%

Multiple Choice

• 0%

• 1/4, 25%

• 1/2, 50%`

• 100%

Multiple Choice

• 1/6, 16.7%

• 5/6, 83.3%

• 1/5, 20%

• 100%

Multiple Choice

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

Multiple Choice

Is the spinner more likely or less likely to land
on green than yellow?

• more likely

• less likely

Multiple Choice

Is it certain or impossible for the spinner to land on orange?

• imposssible

• certain

Multiple Choice

Find the probability of rolling a 7 on a single die.

• 1/6

• 7/6

• 0

• 7/7

Multiple Choice

Probability can be written as ...

• a fraction

• a decimal

• a percent

• all of the above

Multiple Choice

If a bag contains 3 purple, 8 orange, 2 black, and 7 white marbles, what is the probability of an orange marble being selected?

• 1/4

• 1/2

• 2/5

• 1

Multiple Choice

You pick a marble from this bag. What is the probability you will choose either a solid black or solid white marble?

• 3/5

• 9/100

• 1/10

• 2/5

Multiple Choice

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

Multiple Choice

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 1/3

• 1/9

• 3/8

Scatterplots

Multiple Choice

Which scatter plot shows no relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Multiple Choice

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true? 

• There is a negative relationship between height and weight
• There is a positive relationship between height and weight
• There is a constant relationship between height and weight
• There is no relationship between height and weight

Multiple Choice

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes
• No

Multiple Choice

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes
• No

Multiple Choice

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes
• No

Multiple Choice

Which statement best describes the relationship shown in this scatter plot?

• Students with a bigger shoe size earn a higher math score
• Students with a smaller show size earn a higher math score
• A student's shoe size has no effect on their math score
• A student with a shoe size of 8 will always earn a score of 80%

Multiple Choice

Based on the scatter plot, which statement best describes the trend?

• As the daily temperature increases, the number of beach visitors increases.
• as the daily temperature decreases, the number of beach visitors increases.
• As the daily temperature increases, there is no change in the number of beach visitors
• As the daily temperature increases, the number of beach visitors decreases

Multiple Choice

Ben collected data from a group of 12 people. He measured each person's resting heart rate and recorded the average number of hours each person exercised per week. He created a scatterplot to show the data he collected.

Based on the scatterplot, what is the best prediction of the resting heart rate, in beats per minute, of a person who exercises an average of 8 hours per week?

• 30 beats per minute

• 50 beats per minute

• 58 beats per minute

• 40 beats per minute

Multiple Choice

Mrs. Collins made a scatterplot to show the relationship between the number of absences a student in her class has and the student's final exam score.

Based on this scatterplot, approximately what score should a student with 6 absences expect to receive on the final exam?

• 67

• 86

• 11

• 76

Parts of a Box Plot

• Min – Minimum: Smallest number of the Data Set

• Q1 – Lower Quartile:  The median of the lower half of the data

• Q2 – Median:   Middle number of the set of data

• Q3 – Upper Quartile:  The median of the upper half of the data

• Max – Maximum:  Largest number in the data set

• Interquartile Range (IQR): Q3 – Q1

Multiple Choice

What value is the lower quartile?

• 66

• 58

• 60

• 64

Multiple Choice

What is the median?

• 62

• 58

• 66

• 60

Multiple Choice

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

Multiple Choice

What is the interquartile range (IQR)?

• 20

• 25

• 30

• 50

Multiple Choice

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

Multiple Choice

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.

• Place the numbers in order from least to greatest and find the middle.

• Find the difference between the maximum and the minimum.

• Subtract Q1 from Q3.

Multiple Choice

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Multiple Choice

What percentage of the data is between 40 and 90?

• 25 %

• 50%

• 75%

• 100%

Multiple Choice

What percent of the data is between 30 and 35 on the number line?

• 25%

• 50%

• 75%

• 100%

Multiple Choice

What is the minimum value?

• 64

• 58

• 66

• 60

Multiple Choice

What is the interquartile range?

• 4

• 6

• 2

• 8

Multiple Choice

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Multiple Choice

What is the median test score on the 6TH Grade Math Test?

• 78

• 85

• 93

• 97

Multiple Choice

What is a graphic way of showing a summary of data using the median, quartiles, and extremes of the data?

• A. Stem-and-Leaf Plot

• B. Bar Graph

• C. Box Plot

• D. Pie Chart

Multiple Choice

Which of the following lists all parts of the five number summary?

• A. Mean, Median, Mode, Range, and Total

• B. Lower Extreme, Lower Quartile, Median, Upper Quartile, and Upper Extreme 

• C. Smallest, Q1, Q2, Q3, and Q4

• D. Lower Quartile, Upper Quartile, Range, Mean, and Median

Multiple Choice

What is a the meaning for "median"?

• A. fair share

• B. middle

• C. repeats the most

• D. variation

Multiple Choice

In order to find the median, the data must be sorted from least to greatest first.

• A. True

• B. False

Correlation (Trend)

• Positive Correlation (goes up)

• Negative Correlation (goes down)

• No Correlation (scattered)

Multiple Choice

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Multiple Choice

What type of correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Multiple Choice

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Multiple Choice

What type of relationship does this graph have?

• Positive 
• Negative
• No Relationship
• Constant

Multiple Choice

What type of relationship does this graph show?

• Positive
• Negative
• No Relationship
• Constant