End of Term 2 Revision Units 6 and 16

End of Term 2 Revision Units 6 and 16
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Slide 1: Diapositive
MathematicsSecondary EducationAge 11,12

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End of Term 2 Revision Units 6 and 16

Slide 1 - Diapositive

Which of the following is NOT an example of discrete data?
A
Number of books on a shelf
B
Time in hours and minutes
C
Number of cars in a parking lot
D
Number of goals scored in a match

Slide 2 - Quiz

What type of data is counted in distinct and separate units?
A
Continuous data
B
Discrete data
C
Categorical data
D
Ordinal data

Slide 3 - Quiz

Which of the following is an example of discrete data?
A
Height of a person
B
Weight of a fruit
C
Temperature in degrees Celsius
D
Number of students in a class

Slide 4 - Quiz

Which of the following is an example of continuous data?
A
Types of fruits in a basket
B
Number of cars in a parking lot
C
Number of students in a class
D
Weight of a person

Slide 5 - Quiz

In statistics, continuous data can take on any value within a given _____________.
A
Group
B
Range
C
Category
D
Cluster

Slide 6 - Quiz

Which of the following is not an example of continuous data?
A
Height of a building
B
Time taken to complete a race
C
Number of siblings
D
Temperature in degrees Celsius

Slide 7 - Quiz

What is categorical data?
A
Data that is not useful for analysis
B
Data that can be divided into categories
C
Data that is continuous and uncountable
D
Data that is only numerical

Slide 8 - Quiz

Which of the following is an example of categorical data?
A
Temperature in degrees
B
Height in centimeters
C
Annual income in dollars
D
Eye color

Slide 9 - Quiz

How is categorical data different from numerical data?
A
Numerical data is easier to analyze
B
Numerical data is more accurate
C
Categorical data cannot be graphed
D
Categorical data represents characteristics or qualities

Slide 10 - Quiz

What type of chart is commonly used to represent categorical data?
A
Bar chart
B
Line graph
C
Histogram
D
Scatter plot

Slide 11 - Quiz

What is random sampling?
A
A method where the researcher selects members based on their availability.
B
A method where each member of the population has an equal chance of being selected.
C
A method where the researcher selects the most convenient members of the population.
D
A method where the researcher selects members based on their characteristics.

Slide 12 - Quiz

What is a method of data collection that involves asking a series of questions to gather information?
A
Surveys
B
Questionnaires
C
Interviews
D
Experiments

Slide 13 - Quiz

Which method of data collection involves gathering information by observing subjects in a controlled environment?
A
Questionnaires
B
Experiments
C
Interviews
D
Surveys

Slide 14 - Quiz

What is a systematic way of gathering information from individuals by asking questions and recording their responses?
A
Questionnaires
B
Surveys
C
Experiments
D
Interviews

Slide 15 - Quiz

Which of the following is a structured set of questions designed to gather information from a sample of people?
A
Experiments
B
Interviews
C
Questionnaires
D
Survey

Slide 16 - Quiz

What is a research method used to investigate relationships between variables by manipulating one variable while controlling others?
A
Experiment
B
Interview
C
Questionnaire
D
Survey

Slide 17 - Quiz

Which of the following is a common method to record data?
A
Filling out forms
B
Sending emails
C
Using spreadsheets
D
Making phone calls

Slide 18 - Quiz

What is the purpose of recording data accurately?
A
Ensuring data integrity
B
Improving internet speed
C
Increasing storage capacity
D
Facilitating analysis

Slide 19 - Quiz

What type of chart is best for showing the change in temperature over a week?
A
Bar chart
B
Pie chart
C
Tally chart
D
Line graph

Slide 20 - Quiz

What is the best way to record the number of cars passing by every hour?
A
Histogram
B
Bar chart
C
Tally chart
D
Line graph

Slide 21 - Quiz

How would you represent the number of books read by each student in a class?
A
Line graph
B
Bar chart
C
Tally chart
D
Frequency polygon

Slide 22 - Quiz

What is an advantage of a large sample size?
A
Decreased diversity of data
B
Higher cost of data collection
C
Increased precision in estimating population parameters
D
Reduced statistical power

Slide 23 - Quiz

Which is a disadvantage of a small sample size?
A
Lower risk of sampling error
B
Greater variability in estimates of population parameters
C
Faster data analysis
D
Easier data management

Slide 24 - Quiz

What is a potential drawback of a large sample size?
A
Decreased precision
B
Higher cost and time for data collection
C
Lower confidence in results
D
Reduced data complexity

Slide 25 - Quiz

Why might a small sample size be advantageous?
A
Increased precision
B
Higher statistical power
C
Lower cost and time for data collection
D
Enhanced generalizability

Slide 26 - Quiz

What is a two-way table used for?
A
Creating line graphs
B
Organizing categorical data into rows and columns
C
Calculating mean and median
D
Plotting scatter plots

Slide 27 - Quiz

What kind of data is typically organized in a two-way table?
A
Categorical data
B
Textual data
C
Continuous data
D
Qualitative data

Slide 28 - Quiz

What is the middle value in a set of numbers?
A
Mode
B
Range
C
Mean
D
Median

Slide 29 - Quiz

Which measure of central tendency is affected by extreme values?
A
Mode
B
Range
C
Median
D
Mean

Slide 30 - Quiz

What is the most frequently occurring value in a set of numbers?
A
Mean
B
Median
C
Mode
D
Range

Slide 31 - Quiz

What measures the spread of a set of numbers?
A
Median
B
Mode
C
Range
D
Mean

Slide 32 - Quiz

If a set of numbers has two middle values, what should be calculated?
A
Mean
B
Range
C
Median
D
Mode

Slide 33 - Quiz

What is the value of the mean in the following data set: 5, 7, 9, 11, 13?
A
9
B
7
C
13
D
11

Slide 34 - Quiz

Determine the median of the data set: 4, 7, 9, 12, 15, 20, 25
A
20
B
15
C
9
D
12

Slide 35 - Quiz

What is the mode of the following data set: 3, 5, 5, 7, 8, 9?
A
8
B
7
C
3
D
5

Slide 36 - Quiz

Find the range of the data set: 10, 15, 20, 25, 30, 35, 40
A
25
B
15
C
30
D
20

Slide 37 - Quiz

Calculate the mean of the following data set: 2, 4, 6, 8, 10, 12
A
7
B
8
C
10
D
4

Slide 38 - Quiz