A.). Based on Age Group, create four tables with six classes, one for each Car t

Question

A.). Based on Age Group, create four tables with six classes, one for each Car type. The table should have frequencies, relative frequencies, midpoint and cumulative frequencies.
B). Based on the raw data above, what is the probability that given a purchaser is Female, they will buy a Fusion? What is the probability that given someone bought an Escape, they make $79,000 or more? Here is a table of purchasers of Ford cars. Purchasers of Ford Cars Income Car Type Observation M 71.000 Fusion 98,000 Escape 2 45 F 54,000 Mustang. 75,000 Explorer 111,000 Mustang 4 40 M LS 37,000 Fusion 24 45 F IS 37,000 Escape s 50 F 103,000 Mustang 25 37 F IS 37,000 Fusion 6 38 M 112.000 M S 7 26 Explorer 27 30 M 109,000 Mustang 85,000 Escape F 85.000 8 45 M Ls 100,000 Mustang 28 60 T M I 102,000 Explorer 9 47 F S 93.000 Escape 29 55 M 72,000 Fusion 10 35 M 104,000 Explorer 52 F Ls 103,000 Mustang 11 45 F 116000 Explorer 31 138 F IS 80,000 Mustang 12 36 M TS 65.000 Mustang 32 F Ls .000 Escape 13 29 F 121,000 33 31 M 58000 Explor 14 28 F 57.000 Explorer 36 F Rs 48.000 Exscape 120,000 Mustang 16 27 F S 130000 Escape 36 27 M S 43,000 Escape 17 25 F 62,000 Explorer 37 62 s M 40.000 Explorer 18 52 44 000 Fusion 38 42 F 116,000 Mustang 19 48 M TS 95.000 Mustang 39 46 M Rs 105,000 Escape 20 50 F 113.000 Escape 40 38 F IS 95,000 Mustang a. (10 points) Based on Age Group, create four tables with six classes, one for each Car Type. The tables should have frequencies, relative frequencies, midpoints and cumulative frequencies.

Explanation / Answer

probability that given a purchaser is Female, they will buy a Fusion =

P(female) = 21/40 = 0.525

P(female and Fusion) = 2/40 = 0.05

probability that given a purchaser is Female, they will buy a Fusion = 0.05/0.525 = 0.095

probability that given someone bought an Escape, they make $79,000 or more

P(Escape)=12/40 = 0.3

P(>79000 and Escape) = 5/40 = 0.125

probability that given someone bought an Escape, they make $79,000 or more = 0.125/0.3 =0.417

Brand: Escape S. No Age Group frequency relative frequency midpoint cumm. Freq 22-28 2 0.167 25 0.167 29-35 3 0.250 32 0.417 36-42 2 0.167 39 0.583 43-49 3 0.250 46 0.833 50-56 2 0.167 53 1.000 57-63 0 0.000 60 1.000 Brand:Explorer S. No Age Group frequency relative frequency midpoint cumm. Freq 22-28 4 0.400 25 0.400 29-35 3 0.300 32 0.700 36-42 0 0.000 39 0.700 43-49 1 0.100 46 0.800 50-56 0 0.000 53 0.800 57-63 2 0.200 60 1.000 Brand: Fusion S. No Age Group frequency relative frequency midpoint cumm. Freq 22-28 0 0.000 25 0.000 29-35 0 0.000 32 0.000 36-42 3 0.600 39 0.600 43-49 0 0.000 46 0.600 50-56 2 0.400 53 1.000 57-63 0 0.000 60 1.000 Brand: Mustang S. No Age Group frequency relative frequency midpoint cumm. Freq 22-28 1 0.077 25 0.077 29-35 1 0.077 32 0.154 36-42 4 0.308 39 0.462 43-49 4 0.308 46 0.769 50-56 3 0.231 53 1.000 57-63 0 0.000 60 1.000

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