Quiz about Descriptive Statistics

Question 1

The candy was sour.

Accepted Answer

Qualitative Data

Answer

Quantitative Data

Question 2

The bug was 5cm long.

Accepted Answer

Quantitative Data

Answer

Qualitative Data

Question 3

The flower is red.

Accepted Answer

Qualitative Data

Answer

Quantitative Data

Question 4

It is cloudy outside today.

Accepted Answer

Qualitative Data

Answer

Quantitative Data

Question 5

The mass of the beaker was 122 g.

Accepted Answer

Quantitative Data

Answer

Qualitative Data

Question 6

There are 13 boys and 14 girls in fifth period.

Accepted Answer

Quantitative Data

Answer

Qualitative Data

Question 7

Describe the shape of the graph

Accepted Answer

Uniform

Answer

Bimodal

Answer

Multimodal

Answer

Unimodal

Question 8

Describe the shape of the graph

Accepted Answer

Symmetric

Answer

Right Skewed

Answer

Bimodal

Answer

Left Skewed

Question 9

Describe the shape of the graph

Accepted Answer

Bimodal

Answer

Unimodal

Answer

Trimodal

Answer

Multimodal

Question 10

Describe the shape of graph

Accepted Answer

Multimodal

Answer

Unimodal

Answer

Trimodal

Answer

Bimodal

Question 11

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 12

Find the median of these numbers:
4, 2, 7, 4, 3

Accepted Answer

4

Answer

2

Answer

5

Answer

7

Question 13

Find the mean of these numbers:
5,11,2,12,4,2

Accepted Answer

6

Answer

4.1

Answer

4.5

Answer

4

Question 14

When calculating the mean you

Accepted Answer

add all the numbers together and divide by the number of items

Answer

scream

Answer

cry

Answer

pick the one that happens the most

Question 15

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

Accepted Answer

True

Answer

False

Question 16

Find the mode of these numbers:

4,3,6,4,3,6,6,3,2,1,3

Accepted Answer

3

Answer

6

Answer

4

Answer

2

Question 17

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

Accepted Answer

59

Answer

58

Answer

60

Answer

118

Question 18

The number of orange Skittles in a bag.

Accepted Answer

Discrete

Answer

Continuous

Question 19

The number of suitcases lost by airlines.

Accepted Answer

Discrete

Answer

Continuous

Question 20

Adam earns $10 for each car he washes.

Accepted Answer

Discrete

Answer

Continuous

Question 21

Graph of the growth of a plant for the next 30 days.

Accepted Answer

Continuous

Answer

Discrete

Question 22

Joe is losing an average of .5 pounds a week.  Is this continuous or discrete data?

Accepted Answer

Continuous

Answer

Discrete

Question 23

The time it takes for a light bulb to burn out.

Accepted Answer

Continuous

Answer

Discrete

Question 24

Discrete or continuous data?

Accepted Answer

Continuous

Answer

Discrete

Question 25

Discrete or continuous data?

Accepted Answer

Discrete

Answer

Continuous

Question 26

Discrete or continuous data?

Accepted Answer

Discrete

Answer

Continuous

Question 27

Discrete or continuous data?

Accepted Answer

Continuous

Answer

Discrete

Question 28

_______ is a part of a group being surveyed.

Accepted Answer

Sample

Answer

Population

Answer

Random Sample

Answer

Quartile

Question 29

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

Accepted Answer

Random Sample

Answer

Sample

Answer

Population

Answer

Quartile

Question 30

_______ is the entire group of objects or individuals considered for a survey.

Accepted Answer

Population

Answer

Sample

Answer

Random Sample

Answer

Quartile

Question 31

True or False: all samples lead to a good prediction about an entire population.

Accepted Answer

False

Answer

True

Question 32

A school surveys all 7th grade boys to determine what to sell in the school store.  This sample is _________.

Accepted Answer

Biased

Answer

Unbiased

Answer

Representative

Answer

Peanut butter cups

Question 33

A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.

Accepted Answer

Biased

Answer

Unbiased

Answer

Representative

Answer

Numerical

Question 34

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

Accepted Answer

Asking 10 random students from each homeroom.

Answer

Asking all the students in the hot lunch line.

Answer

Asking every other student who gets off a school bus.

Answer

Asking all the 10th graders.

Question 35

A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

Accepted Answer

The population is everyone listed in the city phone directory; the sample is the 75 people selected.

Answer

The population is residents of the city; the sample is the registered voters in the city.

Answer

The population is registered voters in the city; the sample is everyone listed in the city phone directory.

Question 36

A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school.

Accepted Answer

The population is all classrooms in the elementary school; the sample is the 7 classrooms selected.

Answer

The population is all classrooms in the district; the sample is the 7 classrooms selected.

Answer

The population is all elementary students in the school; the sample is the students in the 7 classrooms selected.

Question 37

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

Accepted Answer

The students will be selected from the choir

Answer

The students will be selected randomly throughout the school

Answer

The students will be selected on Wednesday afternoon before the choir concert

Answer

The choir director will select five students from each of the forty homerooms in the school

Question 38

How many more boys than girls have shoes that are 22 centimeters long?

Accepted Answer

2

Answer

16

Answer

9

Answer

4

Question 39

The graph shows how employees at Disney World travel to work. How many employees ride bikes, ride the bus, or walk to work?

Accepted Answer

375

Answer

300

Answer

450

Answer

325

Question 40

The bar graph shows the number of runs for each player during a baseball season. How many more runs did Doug have than Sarah?

Accepted Answer

4

Answer

6

Answer

5

Answer

8

Question 41

Mary is recording her plant's growth in a journal. How many inches has the plant grown from week 1 to week 4?

Accepted Answer

14

Answer

22

Answer

18

Answer

10

Question 42

The bar graph shows the favorite ice cream flavors of a group of students. How many total students like both strawberry and vanilla best?

Accepted Answer

36

Answer

40

Answer

38

Answer

28

Question 43

Which city is the least popular according to the data recorded in the bar graph?

Accepted Answer

Bently

Answer

Greatville

Answer

Rivertop

Answer

Friendship

Question 44

Which movie genre is liked best by all age groups?

Accepted Answer

Comedy

Answer

Action

Answer

Horror

Answer

Romance

Question 45

The frequency table shows the colors that fifth graders preferred for their field day shirts.

Based on the data in the table, how many students preferred blue and orange?

Accepted Answer

53

Answer

60

Answer

56

Answer

59

Question 46

What is this type of graph called?

Accepted Answer

Frequency Diagram

Answer

Frequency Line Graph

Answer

Bar Chart

Answer

Frequency Polygon

Question 47

What is the modal group?

Accepted Answer

1.50 - 1.60 m and 1.60 - 1.70 m

Answer

1.50 - 1.60 m

Answer

1.60 - 1.70 m

Answer

1.50 - 1.70 m

Question 48

Give an estimate for  how many people were taller than 1.63 m ?

Accepted Answer

22

Answer

12

Answer

9

Answer

27

Question 49

How many people were aged between 40 and 60?

Accepted Answer

21

Answer

16

Answer

5

Answer

22

Question 50

How many people were in the survey?

Accepted Answer

300

Answer

110

Answer

220

Answer

330

Question 51

Give an estimate for the number of people who took between 45 and 46 seconds?

Accepted Answer

10

Answer

50

Answer

12

Answer

15

Question 52

The pass mark for the test was 20. What fraction of the students passed the test?

Accepted Answer

3/20

Answer

17/20

Answer

3/8

Answer

3/17

Question 53

The teacher agreed that the test was too difficult and reduced the pass mark to 18. How many more students do you think should pass the test?

Accepted Answer

3

Answer

2

Answer

4

Answer

7

Question 54

What is the median length?

Accepted Answer

30 cm

Answer

40.5 cm

Answer

24.5 cm

Answer

32 cm

Question 55

Approximately how many items were longer than 34 cm?

Accepted Answer

7

Answer

None

Answer

8

Answer

7.5

Question 56

What is the Lower Quartile Length?

Accepted Answer

28 cm

Answer

30 cm

Answer

33 cm

Answer

20 cm

Question 57

What is the Upper Quartile Length?

Accepted Answer

33 cm

Answer

28 cm

Answer

30 cm

Answer

20 cm

Question 58

What is the Interquartile Range?

Accepted Answer

5 cm

Answer

28 cm

Answer

12 cm

Answer

33 cm

Question 59

What is the Median Value?

Accepted Answer

22

Answer

18

Answer

26

Answer

28

Question 60

What is the Upper Quartile Value?

Accepted Answer

26

Answer

18

Answer

22

Answer

28

Question 61

What is the Maximum Value?

Accepted Answer

28

Answer

18

Answer

22

Answer

26

Question 62

What is the Lower Quartile Value?

Accepted Answer

18

Answer

22

Answer

26

Answer

28

Question 63

What is the Interquartile Range?

Accepted Answer

8

Answer

12

Answer

10

Answer

6

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