A school organization would like to sell cupcakes for fund raising. Its members gathered data on the prices (in pesos) and quantities (in number of pieces) sold from previous fund raising activities. Predict the price for 2500 cupcakes. Prices and Quantities data given below. Please answer like the format example on the 2nd picture.

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Author:Amos Gilat
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A school organization would like to sell cupcakes for fund raising. Its members gathered data on the prices (in pesos) and quantities (in number of pieces) sold from previous fund raising activities. Predict the price for 2500 cupcakes. Prices and Quantities data given below. Please answer like the format example on the 2nd picture.
4. A school organization would like to sell cupcakes for fund raising.
Its members gathered data on the prices (in pesos) and quantities
(in number of pieces) sold from previous fund raising activities.
Price 25 28 30 33 35 36 40 45 50 55
Quantity 1000 1050 1000 950 900 950 800 850 700 500
Transcribed Image Text:4. A school organization would like to sell cupcakes for fund raising. Its members gathered data on the prices (in pesos) and quantities (in number of pieces) sold from previous fund raising activities. Price 25 28 30 33 35 36 40 45 50 55 Quantity 1000 1050 1000 950 900 950 800 850 700 500
Foot size -> Palm size - y
3. A random sample of students measured their feet and palms (in
centimeters) as shown in the table below,
26.2
8.2
24.5
7
23.2
7.7
1.1
23
7
24.8
7.5
Foot 26.2 24.5 23.2 23.0 24.8 22.1 22.5 24.5 25.0 27.0
22.1
7.5
22.5
7.5
Palm 8.2 7.0
7.5 9.0 9.0 10.0
24.5
9
7.7 7.0 7.5 7.5
25
9
27
10
SUMMARY OUTPUT
What is the palm size if a foot measures 24 centimeters?
Whatever is predicted is always the variable y.
Regression Statistics
Multiple R 0.695728198
R Square
Adjusted R 0.419542441
Standard Er 0.756099332
0.484037725
Observatior
10
ANOVA
df
MS
F
gnificance F
1 4.29051 4.29051 7.50501 0.02547
8 4.57349 0.57169
Regression
Residual
8
Total
9.
8.864
Coefficients andard Err t Stat
P-value ower 95%Jpper 95%ower 95.0 pper 95.0%
y=a+bx
Intercept
-2.51670779
3.86089 -0.65185 0.53278 -11.4199
6.38652 -11.4199 6.38652
y=-2.517+0.4348x
Foot size -> 0.434790271 0.15871 2.73953 0.02547
0.0688 0.80078
0.0688 0.80078
x=24 (foot size), y= ? palm size
7.91826
expect the palm size to be 7.918 cm
Transcribed Image Text:Foot size -> Palm size - y 3. A random sample of students measured their feet and palms (in centimeters) as shown in the table below, 26.2 8.2 24.5 7 23.2 7.7 1.1 23 7 24.8 7.5 Foot 26.2 24.5 23.2 23.0 24.8 22.1 22.5 24.5 25.0 27.0 22.1 7.5 22.5 7.5 Palm 8.2 7.0 7.5 9.0 9.0 10.0 24.5 9 7.7 7.0 7.5 7.5 25 9 27 10 SUMMARY OUTPUT What is the palm size if a foot measures 24 centimeters? Whatever is predicted is always the variable y. Regression Statistics Multiple R 0.695728198 R Square Adjusted R 0.419542441 Standard Er 0.756099332 0.484037725 Observatior 10 ANOVA df MS F gnificance F 1 4.29051 4.29051 7.50501 0.02547 8 4.57349 0.57169 Regression Residual 8 Total 9. 8.864 Coefficients andard Err t Stat P-value ower 95%Jpper 95%ower 95.0 pper 95.0% y=a+bx Intercept -2.51670779 3.86089 -0.65185 0.53278 -11.4199 6.38652 -11.4199 6.38652 y=-2.517+0.4348x Foot size -> 0.434790271 0.15871 2.73953 0.02547 0.0688 0.80078 0.0688 0.80078 x=24 (foot size), y= ? palm size 7.91826 expect the palm size to be 7.918 cm
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