Data and Statistics Flashcards by Chris Calleja | Brainscape

Q

Identify the outlier in this set

2,4,6,6,7,18

A

18

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Q

Identify the mode in this data set

2,4,6,6,7,18

A

6

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Q

Identify the median in this data set

2,4,6,6,7,18

A

6

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Q

Identify the mean of this data set

1,2,4,6,6,7,18

A

7

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Q

Identify the range of this data set

1,2,4,6,6,7,18

A

16

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Q

What is the mean of this set of data?

25,25,20,37,25,24

A

26

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Q

What is the range of this set of data?

25,25,20,37,25,24

A

17

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Q

What is the mode of this set of data?

25,25,20,37,25,24

A

25

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Q

What is the median of this set of data?

25,25,20,37,25,24

A

25

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Q

Identify the type of data

Shoe Size

A

Catagorical

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Q

Identify the type of data

height

A

Numerical Continuous

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Q

Identify the type of data

Number of students absent

A

Numerical Discrete

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Q

Identify the type of data

Eye Colour

A

Categorical

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Q

Identify the type of data

The number of text messages you send in a day

A

Numerical Discrete

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Q

Identify the type of data

Favourite Number

A

Categorical

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Q

How do you calculate the mean?

A

‘you add then divide for the mean’

Add all data values together and divide by the total number of values

Q

What is the mode?

A

‘the mode is the one that occurs the most’

The most frequently occurring data value

Q

What is the range?

A

‘the range is the difference between’

The difference between the maximum and minimum value

Q

What is the median?

A

‘hey diddle diddle, the median is the middle’

The middle/centre value of an ordered data set

Q

Write the expression

If gradient is 7

and the

y-intercept is 0

A

y = 7x

Q

Substitute x for 2 and solve

y = x + 3

A

5

Q

Substitute x for 4 and solve

y = x + 0.25

A

4.25

Q

Substitue x for 11 and solve

y = x² - 60

A

61

Q

Identify the y-intercept

y=-2.4x+1

A

1

Q

Identify the y-intercept

y = x

A

0

Q

What is the minimum and maximum?

A

13 & 32

Q

What is the range?

A

19

Q

What is the median?

A

23.5

Q

What is the mean?

A

8.8

Q

What is the range?

A

4

Q

What is the mode?

A

7

Q

What is the median?

A

8

Q

What is the mean?

A

1.65

Q

What is the median?

A

2

Q

What is the mode?

A

2

Q

What is the range?

A

2

Q

A