ANSWER TOPIC 5 CORRELATION AND REGRESSION

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First Day of Class Activity

Question 1 (a)
0.964

Strongly positive
relationship between one

bedroom and two
bedroom

Question 1(b)

1,500

1,000

500

0
0 250 500 750 1,000

Question 1 (b)
y=4.652-0.0126x

Question 2

0.345 positive
linear

correlation
between the

operation
cost per unit
and quantity

sold

Question 3

0.884

Positive relationship between
monthyly income and years of

education

Note to teacher: Call students at random to answer one question.
Give them at least one minute to share their insights.

Question 4
(a)

y=-0.018+2.152

Question 4
(b)

RM 5254.4

Question 5
0.4606

Weak positive linear relationship
between English mark and
Mathematics mark

Question 5

15

10

5

0
0 5 10 15 20