Unit 1: Statistics (Lesson/Review)

Unit 1: Statistics
End of Unit Review

Open Ended

What makes a question a statistical question?

Multiple Choice

How far from school do students live?

• Statistical Question

• NOT a Statistical Questions

Multiple Choice

Choose the statistical question.

• Who has the most scrunchies in the class?

• How many scrunchies does Ava have?

• How many scrunchies does each girl in the 6th grade have?

• How many students in the class have more than 5 scrunchies?

Open Ended

What are the two types of data that we studied?

Multiple Choice

What word best describes the MEAN?

• Difference

• Average

• Middle

• Most

Multiple Choice

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Multiple Choice

What word best describes the MEDIAN?

• Difference

• Average

• Middle

• Most

Multiple Choice

What is the median of this data set?
7.3, 2.9, 1.5, 0.6, 3.8

• 2.9
• 3
• 3.5
• 4.3

Multiple Choice

Compute the Median:
3, 5, 7, 4, 3, 1

• 3 and 4
• None

• 3.5
• 3

Multiple Choice

What word best describes the MODE?

• Difference

• Average

• Middle

• Most

Fill in the Blanks

Multiple Choice

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score.

• No student scored below a 50.

• A score of 91 was slightly below average.

Multiple Choice

What is the mode or modes in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• None

Multiple Choice

What is the Mode or Modes for this data set?

1, 1, 2, 2, 3, 3, 4, 4

• 1

• 1 and 2

• 1, 2, 3 and 4

• None

Multiple Choice

What word best describes the RANGE?

• Difference

• Average

• Middle

• Most

Multiple Choice

What is the range of miniature golf scores?

• 44 points

• 29 points

• 33 points

• 39 points

Multiple Choice

Which measure of center best represents this set of data?

red, blue, red, yellow, red, green, black, red, white, red, red

• Mean
• median
• mode

Multiple Choice

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

Multiple Choice

Which measure of center best represents this set of data?

12, 13, 11, 16, 81, 14, 10, 15

• Mean
• median
• mode

Multiple Choice

Which measure of center best represents this set of data?

12, 24, 20, 15, 15, 12, 24, 24, 21, 13, 14

• Mean
• median
• mode

Multiple Choice

If the outlier is removed from the following data set would the mean INCREASE (go up) or DECREASE (go down)?

22, 19, 22, 21, 1

• The Mean would INCREASE

• The Mean would DECREASE

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Identify the gap of the data.

• 1 to 5

• 3 to 5

• 6 to 9

• 1 to 10

Multiple Choice

What was the day with the most amount of cars sold?

• Monday

• Tuesday

• Thursday

• Friday

• Saturday

Multiple Choice

How many cars were sold on Thursday and Friday

• 6

• 7

• 8

• 9

Multiple Choice

How many students had at least 7 candy bars?

• 5
• 2
• 3
• 1

Multiple Choice

Is the dot plot symmetrical?

HINT: Symetrical means that it is evenly distributed around the middle.

• Yes

• No

Multiple Choice

How many total students were surveyed about their number of brothers and sisters?

• 15

• 10

• 6

Multiple Choice

What is the mode of the data?

• 2

• 1

• 4

• 12

Multiple Choice

What was the day with the least amount of cars sold?

• Monday

• Tuesday

• Wednesday

• Thursday

• Sunday

Multiple Choice

How many students scored 93% or less?

• 6

• 16

• 14

• 13

Multiple Choice

Which interval has the greatest number of employees?

• 11-21
• 33-43
• 77-87
• 44-54

Multiple Choice

How many people watched more than 6 hours of TV?

• 10
• 5
• 20
• 17

Multiple Choice

Is a histogram the same as a bar graph?

• No, because a histogram displays numerical data while a bar graph displays categorical data.
• Yes, because they both use separate bars to display data.

Multiple Choice

How many cities have temperatures between 70 degrees and 99 degrees?

• 44
• 34
• 26
• 62

Multiple Choice

What is an interval?

• A single number
• A range of numbers
• A percentage
• A total amount

Multiple Choice

If Raul measured another tree in the orchard, which is most likely the height of the tree based on the information in the Histogram?

• 12 feet
• 21 feet
• 3 feet
• 19 feet

Multiple Choice

How many people were polled?

• 33
• 6
• 35
• 4

Multiple Choice

First step for finding the median is to order the numbers from least to greatest?

• True

• False

Drag and Drop

Quartiles break the data set into

Placeholder

equal parts each representing 25% or 1/4 of the data.

Drag these tiles and drop them in the correct blank above

1

2

3

4

Multiple Choice

IQR = Q3 - Q1

• True

• False

Multiple Choice

What is the Q1, Median (Q2), and Q3 of the following data set?

4, 5, 6, 8, 9, 10, 11

• Q1: 4

  Q2: 8

  Q3: 11

• Q1: 5

  Q2: 8

  Q3: 10

• Q1: 4

  Q2: 5

  Q3: 6

Multiple Choice

What is the IQR of the following data set:

4, 5, 6, 8, 9, 10, 11

• 5

• 6

• 7

• There is not enough information

Multiple Choice

Find the lower quartile (Q1) of the following set of scores:

6, 7, 8, 9, 11, 13, 15

• 13
• 7

• 9
• 6

Multiple Choice

Students recorded the amount of minutes they spend watching TV.

What is the lower quartile (Q1)?

• 30

• 24

• 60

• 78

Multiple Choice

The faculty of ECMS were asked to state their age. The results are shown in the box plot.

What is the minimum age found in the box plot?

• 23

• 33

• 42

• 20

Multiple Choice

Mrs. Katz, Mrs. Ledesma, and Mrs. Butler, gathered every 6th grade math score on the test they took, which is shown in the box plot.

What is the median score the 6th grade students received?

• 64

• 70

• 84

• 72

Multiple Choice

The box plot shows the length of time (minutes) children spent in the swimming pool.

What is maximum amount of time the children spent in the swimming pool?

• 95

• 70

• 77.5

• 50

Multiple Choice

Students were asked how many minutes they spent reading last night for ELA.

Using the box plot, what is the Upper Quartile (Q3)?

• 47.5

• 40

• 75

• 50

Multiple Choice

Based on the box plot, how do I find the IQR?

• 45 - 33

• 45 + 33

• 23 + 58

• 58 - 23

Multiple Choice

What percentage of the data is between 90 and 140?

• 25%

• 50%
• 75%
• 100%

Multiple Choice

What fraction of the data is between 90 and 140?

• 1/4

• 2/4 or 1/2

• 3/4

• 4/4 or

  1 whole

Multiple Choice

True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18

Multiple Choice

Which box and whisker plot has the highest median?

• Top

• Bottom

Multiple Choice

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

Multiple Choice

What percent of students have a height between 58 inches and 60 inches?

• 25%
• 50%
• 75%
• 100%

Multiple Choice

Which statement is NOT true based on the Box Plot?

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

Multiple Choice

What fraction of the data is between 40 and 90?

• 1/4

• 2/4 or 1/2

• 3/4

• 4/4 or

  1 whole

Multiple Choice

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

• 25%

• 50%

• 75%

• 100%