A dietician conducted a study to compare calories (x) and fat (y) in 18 of the most popular fast-food items. The results of the study are shown below: 120 200 220 230 270 290 310 340 360 y 7 13 11 12 10 8 26 28 370 420 440 450 460 540 550 640 740 y 36 20 20 22 22 55 25 40 20 The following data summary values are given: n=18, x 6950, y- 383, x? - 3,126, 300, y - 10, 885, y-168,490 %3D 1. Draw a scatter diagram of these data. 2. Calculate the linear coefficient, r. 3. Find the equation of the line of best fit.
A dietician conducted a study to compare calories (x) and fat (y) in 18 of the most popular fast-food items. The results of the study are shown below: 120 200 220 230 270 290 310 340 360 y 7 13 11 12 10 8 26 28 370 420 440 450 460 540 550 640 740 y 36 20 20 22 22 55 25 40 20 The following data summary values are given: n=18, x 6950, y- 383, x? - 3,126, 300, y - 10, 885, y-168,490 %3D 1. Draw a scatter diagram of these data. 2. Calculate the linear coefficient, r. 3. Find the equation of the line of best fit.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Transcribed Image Text:A dietician conducted a study to compare calories (x) and fat (y) in 18 of the most popular fast-food items.
The results of the study are shown below:
120
200
220
230
270
290
310
340
360
y 7
13
11
12
10
8.
26
28
370
420
440
450
460
540
550
640
740
y
36
20
20
22
22
55
25
40
20
The following data summary values are given:
n-18, x-6950, y- 383, x = 3,126, 300, y? -10, 885, xy - 168,490
%3D
%3D
1. Draw a scatter diagram of these data.
2. Calculate the linear coefficient, r.
3. Find the equation of the line of best fit.
4:24 PM
10/22/20.
8.
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