Level of Significance - Calculated 10. 11 12 13 14 15 16 17 18 19 Ho: v₁-20 20 Ha: v₁->0 Degrees of Freedom (df) t value Margin of Error Point Extimate of Difference Lower Limit Upper Limit Calculated Estimate of Variance Squared/([Car A Sample Size -1) (Car A Sample Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B Sample Size -1) (Car B Sample Standard Deviation Squared/Car A 0.00 Sample Size)Squared =TINV(probability-use alpha cell,deg freedom-use df cell) t value Standard Error #N/A =E6 2/((1/(C2-1)) (C4 2/C2r2+(1/(D2-1) (D4 2/ #N/A #N/A #N/A #N/A #N/A 22 23 24 21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B Level of Significance - Given Test Statistic - Calculate p-value calculated 0.050 =((C3-D3)-0)/SQRT((2.56)2/24+(1.81) 2/28) #N/A Use = TDIST(Test Statistic cell location, df cell location, enter the number of tails of 1) #N/A 25 Rule/Decision Statement: 26 27 CV tscore of alpha - calculated Use -T.INV(alph cell location, df cell location) #N/A 28 29 Rule/Decision Statement: 30 31 32 33 34 35 CAR A CAR B 2 Sample Size 24 28 3 Sample Mean (mpg) 29.8 27.3 4 Sample Standard Deviation (n 2.56 1.81 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Ho: u₁-20 20 Ha: v₁-> 0 Estimate of Variance - Calculated Standard Error - Calculated Confidence Coefficient - Given Level of Significance - Calculated Degrees of Freedom (df) value Margin of Error Point Estimate of Difference Lower Limit Upper Limit 0.9 Car A Sample Standard Deviation Squared/Car A Sample Size plus Car B Sample Standard Deviation Squared/Car B Sample Size The Square Root of the Estimate of Variance Calculated Estimate of Variance Squared/1/Car A Sample Size -1) (Car A Sample Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B Sample Size-1)*(Car B Sample Standard Deviation Squared/Car A 0.00 Sample Size Squared =TINV probability-use alpha cell deg freedom-use df cell) t value Standard Error #N/A #N/A #N/A =E62/((1/(C2-1)) (C4 2/C2)2+(1/(D2-1)* (D4 2/D212) #N/A #N/A #N/A #N/A #N/A 21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B 22 23 24 25 Rule/Decision Statement: 26 Level of Significance - Given Test Statistic - Calculate p-value calculated 0.050 =((C3-D3)-0)/SQRT((2.56)2/24+(1.81)^2/28) Use TDIST(Test Statistic cell location, df cell location, enter the number of tails of 1) #N/A #N/A

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Level of Significance - Calculated
10.
11
12
13
14
15
16
17
18
19 Ho: v₁-20
20 Ha: v₁->0
Degrees of Freedom (df)
t value
Margin of Error
Point Extimate of Difference
Lower Limit
Upper Limit
Calculated
Estimate of Variance Squared/([Car A Sample Size -1) (Car A Sample
Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B
Sample Size -1) (Car B Sample Standard Deviation Squared/Car A
0.00 Sample Size)Squared
=TINV(probability-use alpha cell,deg freedom-use df cell)
t value Standard Error
#N/A
=E6 2/((1/(C2-1)) (C4 2/C2r2+(1/(D2-1) (D4 2/
#N/A
#N/A
#N/A
#N/A
#N/A
22
23
24
21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B
Level of Significance - Given
Test Statistic - Calculate
p-value calculated
0.050
=((C3-D3)-0)/SQRT((2.56)2/24+(1.81) 2/28)
#N/A
Use = TDIST(Test Statistic cell location, df cell location, enter the number
of tails of 1)
#N/A
25
Rule/Decision Statement:
26
27
CV tscore of alpha - calculated
Use -T.INV(alph cell location, df cell location)
#N/A
28
29
Rule/Decision Statement:
30
31
32
33
34
35
Transcribed Image Text:Level of Significance - Calculated 10. 11 12 13 14 15 16 17 18 19 Ho: v₁-20 20 Ha: v₁->0 Degrees of Freedom (df) t value Margin of Error Point Extimate of Difference Lower Limit Upper Limit Calculated Estimate of Variance Squared/([Car A Sample Size -1) (Car A Sample Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B Sample Size -1) (Car B Sample Standard Deviation Squared/Car A 0.00 Sample Size)Squared =TINV(probability-use alpha cell,deg freedom-use df cell) t value Standard Error #N/A =E6 2/((1/(C2-1)) (C4 2/C2r2+(1/(D2-1) (D4 2/ #N/A #N/A #N/A #N/A #N/A 22 23 24 21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B Level of Significance - Given Test Statistic - Calculate p-value calculated 0.050 =((C3-D3)-0)/SQRT((2.56)2/24+(1.81) 2/28) #N/A Use = TDIST(Test Statistic cell location, df cell location, enter the number of tails of 1) #N/A 25 Rule/Decision Statement: 26 27 CV tscore of alpha - calculated Use -T.INV(alph cell location, df cell location) #N/A 28 29 Rule/Decision Statement: 30 31 32 33 34 35
CAR A
CAR B
2 Sample Size
24
28
3 Sample Mean (mpg)
29.8
27.3
4 Sample Standard Deviation (n
2.56
1.81
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 Ho: u₁-20
20 Ha: v₁-> 0
Estimate of Variance - Calculated
Standard Error - Calculated
Confidence Coefficient - Given
Level of Significance - Calculated
Degrees of Freedom (df)
value
Margin of Error
Point Estimate of Difference
Lower Limit
Upper Limit
0.9
Car A Sample Standard Deviation Squared/Car A Sample Size plus Car B
Sample Standard Deviation Squared/Car B Sample Size
The Square Root of the Estimate of Variance
Calculated
Estimate of Variance Squared/1/Car A Sample Size -1) (Car A Sample
Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B
Sample Size-1)*(Car B Sample Standard Deviation Squared/Car A
0.00 Sample Size Squared
=TINV probability-use alpha cell deg freedom-use df cell)
t value Standard Error
#N/A
#N/A
#N/A
=E62/((1/(C2-1)) (C4 2/C2)2+(1/(D2-1)* (D4 2/D212)
#N/A
#N/A
#N/A
#N/A
#N/A
21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B
22
23
24
25
Rule/Decision Statement:
26
Level of Significance - Given
Test Statistic - Calculate
p-value calculated
0.050
=((C3-D3)-0)/SQRT((2.56)2/24+(1.81)^2/28)
Use TDIST(Test Statistic cell location, df cell location, enter the number
of tails of 1)
#N/A
#N/A
Transcribed Image Text:CAR A CAR B 2 Sample Size 24 28 3 Sample Mean (mpg) 29.8 27.3 4 Sample Standard Deviation (n 2.56 1.81 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Ho: u₁-20 20 Ha: v₁-> 0 Estimate of Variance - Calculated Standard Error - Calculated Confidence Coefficient - Given Level of Significance - Calculated Degrees of Freedom (df) value Margin of Error Point Estimate of Difference Lower Limit Upper Limit 0.9 Car A Sample Standard Deviation Squared/Car A Sample Size plus Car B Sample Standard Deviation Squared/Car B Sample Size The Square Root of the Estimate of Variance Calculated Estimate of Variance Squared/1/Car A Sample Size -1) (Car A Sample Standard Deviation Squared/Car A Sample Size)Squared +(1/(Car B Sample Size-1)*(Car B Sample Standard Deviation Squared/Car A 0.00 Sample Size Squared =TINV probability-use alpha cell deg freedom-use df cell) t value Standard Error #N/A #N/A #N/A =E62/((1/(C2-1)) (C4 2/C2)2+(1/(D2-1)* (D4 2/D212) #N/A #N/A #N/A #N/A #N/A 21 Comparison of 2 cars gas mileage testing to see if Car A is better than Car B 22 23 24 25 Rule/Decision Statement: 26 Level of Significance - Given Test Statistic - Calculate p-value calculated 0.050 =((C3-D3)-0)/SQRT((2.56)2/24+(1.81)^2/28) Use TDIST(Test Statistic cell location, df cell location, enter the number of tails of 1) #N/A #N/A
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