9 Week

Question 0

N!/(n-r)!r!

What is this formula for

Answer 0

Combination

Question 1

N!/(n-r)! What is this formula for

Answer 1

Permutation

Question 2

Describe how to find range

Answer 2

Biggest- smallest (in the data)

Question 3

What does Q2 stand for

Answer 3

Quartile 2 or median

Question 4

Describe how to find quartiles

Answer 4

Put Data in order
Find median or quartile2
Go to the lower half and find middle (q1)
Go to upper half and find middle ( Q2)

Question 5

How to find that IQR ( interquartile range)

Answer 5

Q3-Q1

Question 6

How to find left outlier

Answer 6

Q1 -1.5 x IQR

Question 7

How to find right outlier

Answer 7

Q3 +1.5 x IQR

Question 8

What are natural numbers

Answer 8

123….etc

Question 9

What are whole numbers

Answer 9

0123….etc

Question 10

What are integers

Answer 10

-1-2-3 0 123….etc

Question 11

What are rational number

Answer 11

Fraction( proper and improper)

Decimal that don’t repeat

Question 12

What are irrational numbers

Answer 12

Decimals that repeat or terminate

Question 13

What is probability

Answer 13

number of successes over total number possible

Question 14

What is odds

Answer 14

Number of successes: Number of failures

REDUCE

Question 15

How do you find the mean

Answer 15

Add them up and divide by total number of data