The retail price of 8 laptops along with their corresponding processor speeds in gigahertz are given in the following ta

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The retail price of 8 laptops along with their corresponding
processor speeds in gigahertz are given in the following table:
Speed (gigahertz) 1.5 1.8
1.2 1.6 2.0 1.0
1.8 2.0
Price (Tk. Thousands) 75 53
48 70 55 45
75 65
a. Determine the correlation coefficient (r) between the price of a
laptop and it’s processor speed.
Answer in exact fraction, or rounded to at least 4 decimal
places.
unanswered

b. Determine the slope coefficient β1 for the
regression of Price of laptop given Speed.
Answer in exact fraction, or rounded to at least 4 decimal
places.
unanswered

c. Determine the y-intercept β0 for the regression of
Price of laptop given Speed.
Answer in exact fraction, or rounded to at least 4 decimal
places.
unanswered

d. Estimate the price of a laptop if it’s processor speed is 2.5
gigahertz.
Answer in exact fraction, or rounded to at least 4 decimal
places.
thousand Tk. unanswered

The Retail Price Of 8 Laptops Along With Their Corresponding Processor Speeds In Gigahertz Are Given In The Following Ta 1 (24.39 KiB) Viewed 101 times

The retail price of 8 laptops along with their corresponding processor speeds in gigahertz are given in the following table: 1.5 1.8 1.2 1.6 2.0 1.0 1.8 2.0 Speed (gigahertz) Price (Tk. Thousands) 75 53 48 70 55 45 75 65 a. Determine the correlation coefficient (r) between the price of a laptop and it's processor speed. Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the slope coefficient By for the regression of Price of laptop given Speed. Answer in exact fraction, or rounded to at least 4 decimal places.
c. Determine the y-intercept Bo for the regression of Price of laptop given Speed. Answer in exact fraction, or rounded to at least 4 decimal places. d. Estimate the price of a laptop if it's processor speed is 2.5 gigahertz. Answer in exact fraction, or rounded to at least 4 decimal places. thousand Tk.