Mathematics - Linear Equations and Statistics

Question 1

What is the equation for these points:
(-4,6) (0,3)

Answer 1

y=-3/4x +3

Question 2

What is the equation for these points:
(-2,5) (2,1)

Answer 2

y= 3-x
or
y=x+3

Question 3

What is the Mean of these numbers?
121134

Answer 3

1+1+1= 3
2+3+4= 9
3+9= 12
12/6=2
Mean=2`

Question 4

What is the Median of these numbers?
121134

Answer 4

111234
1123
12
1+2
3/2
Median = 1.5

Question 5

What is the Mode of these numbers?
121134

Answer 5

1 occurs three times.
Mode=1

Question 6

What is the rRange of these numbers?
121134

Answer 6

1-4=3
Range = 3

Question 7

What is Mean, Median, Mode and Range?

Answer 7

Mean = Average
Median = The number in the middle when in increasing order
Mode = The highest occurring number
Range = The difference between the highest and lowest numbers

Question 8

What should pie charts display?

Answer 8

Items that can be counted. Or different categories of a set amount.

Question 9

What should bar graphs display?

Answer 9

Frequency or Items, Data, Changes over time.

Question 10

What should line graphs display?

Answer 10

Time.