Determining linear correlation coefficient

Reference no: EM1320660

Q1) You are given the following data.

x	y
2	14
3	9
4	11
5	11
5	10
7	5
7	4

Determine:

a) SS(x)

b) SS(y)

c) SS(xy)

d) Linear correlation coefficient, r

e) The slope b₁

f) The y-intercept, b₀

g) The equation of the line of best fit.

2) Bar graph below compares mean time in seconds for 7-yr old girls to complete certain task to mean time in seconds for 7-yr old boys to complete same task. There is statistical deception here. Explain what is deceptive about bar graph.

Reference no: EM1320660

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