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Data Management

Total questions: 50

Worksheet time: 24mins

Name
Class
Date
1.

What is the range?

a)

The sum of the largest and smallest number

b)

The number in the middle

c)

The difference between the largest and smallest number

d)

The number that appears most often

2.

What is the median?

a)

The number in the middle when the numbers are in order from least to greatest.

b)

The difference between the largest and smallest number.

c)

The average

d)

The number that appears most often.

3.
What is the mode?
a)
The average
b)
The number that appears most often.
c)
The largest number - the smallest number
d)
The number in the middle.
4.
To find the average of a set of numbers, add up all the items and divide by...
a)
2.
b)
The smallest number
c)
The largest number
d)
The number of items in the set.
5.
When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?
a)
List both of the numbers as the Median.
b)
Add the two numbers together and divide by 2.
c)
Pick the one that you want.
d)
Subtract the two numbers.
6.

Roger bowled 7 games last weekend. His scores are: 15, 16, 13, 17, 12, 19, 14. What is the range of Roger's scores?

a)

19

b)

12

c)

6

d)

7

7.

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

a)

True

b)

False

8.

The number of kilometres that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?

a)

24

b)

39

c)

36

d)

52

9.

In 9 boxes of Smarties the number of red Smarties was different. Find the MODE of the red Smarties.

12,10,11,10,13,12,10,13,10

a)

10

b)

12

c)

10 and 12

d)

No Mode

10.
Shape?
a)
Skewed right
b)
Skewed left
c)
Symmetric
d)
Unimodal
11.

What is the shape of this bar graph?

a)

Skew right

b)

Skew left

c)

Symmetrical

d)

uniform

12.
If you asked 20 people their favorite color, which measure of center would best represent the data?
a)
mean
b)
median
c)
mode
d)
all of the above
13.
Describe the shape of the graph.
a)
Skewed right
b)
Skewed left
c)
Uniform
d)
Symmetrical
14.
Mrs. Trahan samples her class by selecting every third person on her class list.  Which type of sampling method is this?
a)
Simple
b)
Systematic
c)
Stratified
d)
Cluster
15.
Mrs. Trahan samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?
a)
Simple
b)
Stratified
c)
Systematic
d)
Cluster
16.
Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.
a)
Systematic
b)
Simple
c)
Stratified
d)
Cluster
17.
Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees.  This is ______________ sampling.
a)
Simple
b)
Stratified
c)
Cluster
d)
Systematic
18.

What kind of sampling technique is the following:


List the names of all the students alphabetically and contact the parent of every 25th student.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

19.

What kind of sample technique is the following:


Question everyone in the cafeteria.

a)

Convenience Sampling

b)

Simple Random Sampling

c)

Systematic Sampling

d)

Sample

20.

The type of programming on each radio station in your city (e.g., 93.7 KSKS play Country, Y101.1 plays Pop)

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

21.

The number of hours you spent studying each day during the past week

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

22.

Your friend's score on an intelligence test

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

23.

The cell phone listed as third best on an online electronics review website.

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

24.

The birth weights of babies who were born at Wilshire General Hospital last week.

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

25.

The temperatures in cities throughout the country that are listed in most newspapers.

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

26.

Your friend's score on an intelligence test

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

27.

Determine the level of measurement:

Test Grades

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

28.

Determine the level of measurement:

Size of Shirt

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

29.

Determine the level of measurement:

Type of Blood

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

30.

Determine the level of measurement:

Top 5 Filipino Bands of 2020

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

31.

What is the other term for questionnaire in research?

a)

Instrument

b)

Mechanical Device

c)

Rating Scale

d)

Survey

32.

When data are obtained from a standardized test, what data collection method is used

a)

Empirical observation method

b)

Interview method

c)

Questionnaire method

d)

Test method

33.

It is used for visual presentation in showing patterns and relationships

a)

Graphical form

b)

Tabular graph

c)

Textual form

34.

It is commonly used in presenting quantitative data.

a)

Graphical form

b)

Tabular graph

c)

Textual form

35.

It is a graph that uses symbols to present and compare data. These graphs are often used where there are people who need to understand things, even if they do not read or speak the language.

a)

Bar Graph

b)

Line Graph

c)

Pie Graph

d)

Pictograph

36.

0.2% of the 2017 Philippines Population is what age group

a)

under 15

b)

60-74

c)

85+

d)

not stated in the graph

37.

Sales are best presented through a ________ graph.

a)

Line

b)

Bar

c)

Circle

d)

Picture

38.

Which types of graphs are used to show changes over time?

a)

Line and Bar

b)

Pie and Bar

c)

Line and Pictograph

d)

Bar and Pictograph

39.

Correlational data can only be presented in which type of graph?

a)

Scatterplot

b)

Bar chart

c)

Histogram

d)

Pie chart

40.

Which graph is shown in the image?

a)

Bar chart

b)

Histogram

c)

Scattergram

d)

Line graph

e)

Pie chart

41.
A data set can have more than one median?
a)
True
b)
False
42.
A data set can have more than one mode
a)
True
b)
False
43.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
44.

Find the median, mode and range:

3, 5, 7, 9, 11, 8, 3

a)

median:7 mode:9 range:8

b)

median:6 mode:3 range:7

c)

median:7 mode:3 range:8

45.
A sample should be
a)
representative of  only middle school students only
b)
a very large group
c)
representative of the population
d)
representative of people who volunteer
46.

Is this an example of a population or a sample?


The number of pets in all households in a city.

a)

population

b)

sample

47.

Is this an example of a population or a sample?


The number of pets in one household in a city.

a)

population

b)

sample

48.

Use the data in the graph to make an inference.


If Hector has to close his shop either Thursday, Friday, Saturday, or Sunday, what day should he close it?

a)

Friday

b)

Sunday

c)

Thursday

d)

Saturday

49.

Given a variance of 64, what is the standard deviation?

a)

8

b)

4096

c)

0

d)

6.8

50.
What does this symbol represent?
a)
Standard Deviation
b)
Variance
c)
Mean Absolute Deviation
d)
Sigma

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