Grade 9 _Unit 1_01_Diagnostic Test

Required

3

There are two methods of data collections are by Census and Sample. Please move the following items into a relevant method box.

Whole population
Quicker
It can involve some errors
Expensive
Time consuming
A part of population

Census
Sample

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1

A sample is more time and cost efficient compared to a census because it involves less data collection.

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1

A sample is always better than a census because it represents the overall population more accurately.

Required

4

Quantitative Data
Qualitative Data
Discrete Data
The number of text messages you send in a day
The breeds of horses
The heights of students in your class
Continuous Data
The pulse rates of horses at the end of a race
The speeds of cars passing through an intersection
The most popular candidate for the next election in your country

Categorial Data
Numerical Data

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1

Numerical data can be divided into discrete and continuous data.

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1

What does the 'mean' in statistics refer to? (2 Answers)

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1

What does the 'range' in statistics refer to? (2 Answers)

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1

What is a 'mode' in statistics? (2 Answers)

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1

What is a 'median' in statistics? (2 Answers)

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1

What is the median value of the following data set: {12, 10, 15, 10, 18, 14, 15}?

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1

What is the median value of the following data set: {12, 10, 15, 10, 18, 14}?

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1

Find the mode of the following data set: {12, 10, 15, 10, 18, 14}

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1

Calculate the range of the following set of numbers: {6, 5, 14, 8, 16, 10}.

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1

If the mean of a data set is 9 and there are 7 values, what's the sum of all values?

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1

Grade 9 _Unit 1_01_Diagnostic Test

There are two methods of data collections are by Census and Sample. Please move the following items into a relevant method box.

A sample is more time and cost efficient compared to a census because it involves less data collection.

A sample is always better than a census because it represents the overall population more accurately.

Numerical data can be divided into discrete and continuous data.

What does the 'mean' in statistics refer to? (2 Answers)

What does the 'range' in statistics refer to? (2 Answers)

What is a 'mode' in statistics? (2 Answers)

What is a 'median' in statistics? (2 Answers)

What is the median value of the following data set: {12, 10, 15, 10, 18, 14, 15}?

What is the median value of the following data set: {12, 10, 15, 10, 18, 14}?

Find the mode of the following data set: {12, 10, 15, 10, 18, 14}

Calculate the range of the following set of numbers: {6, 5, 14, 8, 16, 10}.

If the mean of a data set is 9 and there are 7 values, what's the sum of all values?

A student received scores of 90, 80, 85, 95 on the first 4 math tests. What score must he achieve on his fifth test to average 90 for all 5 tests?

There are two methods of data collections are by Census and Sample. Please move the following items into a relevant method box.

A sample is more time and cost efficient compared to a census because it involves less data collection.

A sample is always better than a census because it represents the overall population more accurately.

Numerical data can be divided into discrete and continuous data.

What does the 'mean' in statistics refer to? (2 Answers)

What does the 'range' in statistics refer to? (2 Answers)

What is a 'mode' in statistics? (2 Answers)

What is a 'median' in statistics? (2 Answers)

What is the median value of the following data set: {12, 10, 15, 10, 18, 14, 15}?

What is the median value of the following data set: {12, 10, 15, 10, 18, 14}?

Find the mode of the following data set: {12, 10, 15, 10, 18, 14}

Calculate the range of the following set of numbers: {6, 5, 14, 8, 16, 10}.

If the mean of a data set is 9 and there are 7 values, what's the sum of all values?

A student received scores of 90, 80, 85, 95 on the first 4 math tests. What score must he achieve on his fifth test to average 90 for all 5 tests?