This is a friendly reminder about scientific notation. Excel reports very small numbers in scientific notation. For example, 8.15E-05 is typical notation for 8.15 x 10-5. The exponent of -5 means you have to move the decimal five places to the left and fill in with zeroes. What you get is 0.0000815. Here is the Excel output again for the regression of Sales and Experience: Regression Statistics 0.5966 0.3559 0.339 497.9058 Multiple R R Square Adjusted R Square Standard Error Observations ANOVA Regression Residual Total Intercept Experience (months) 40 df 1 38 39 Coefficients SS MS 5205388.04 5205388.04 6.6108 9420585.51 Standard Error 4250.9742 180.2332 14625973.55 1.4427 247910.15 t Stat 23.586 4.5822 P-value 2.71E-24 4.85E-05 F 20.9971 Lower 95% Upper 95% Significance F 4.85E-05 3886.1113 4615.8372 3.6902 The analyst decides to use an a = 0.05 significance level. Is there a statistically significant relationship between Sales and Experience? 9.5313

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This is a friendly reminder about scientific notation.
Excel reports very small numbers in scientific notation. For example, 8.15E-05 is typical notation for
8.15 x 10-5. The exponent of -5 means you have to move the decimal five places to the left and fill in
with zeroes. What you get is 0.0000815.
Here is the Excel output again for the regression of Sales and Experience:
Regression Statistics
0.5966
0.3559
0.339
497.9058
Multiple R
R Square
Adjusted R Square
Standard Error
Observations
ANOVA
Regression
Residual
Total
Intercept
Experience
(months)
40
df
1
38
39
Coefficients
6.6108
SS
MS
5205388.04 5205388.04
9420585.51
Standard
Error
4250.9742 180.2332
14625973.55
1.4427
247910.15
t Stat
23.586
4.5822
P-value
2.71E-24
4.85E-05
F
20.9971
Lower 95% Upper 95%
Significance F
4.85E-05
3886.1113 4615.8372
3.6902
The analyst decides to use an a = 0.05 significance level.
Is there a statistically significant relationship between Sales and Experience?
9.5313
Transcribed Image Text:This is a friendly reminder about scientific notation. Excel reports very small numbers in scientific notation. For example, 8.15E-05 is typical notation for 8.15 x 10-5. The exponent of -5 means you have to move the decimal five places to the left and fill in with zeroes. What you get is 0.0000815. Here is the Excel output again for the regression of Sales and Experience: Regression Statistics 0.5966 0.3559 0.339 497.9058 Multiple R R Square Adjusted R Square Standard Error Observations ANOVA Regression Residual Total Intercept Experience (months) 40 df 1 38 39 Coefficients 6.6108 SS MS 5205388.04 5205388.04 9420585.51 Standard Error 4250.9742 180.2332 14625973.55 1.4427 247910.15 t Stat 23.586 4.5822 P-value 2.71E-24 4.85E-05 F 20.9971 Lower 95% Upper 95% Significance F 4.85E-05 3886.1113 4615.8372 3.6902 The analyst decides to use an a = 0.05 significance level. Is there a statistically significant relationship between Sales and Experience? 9.5313
The analyst decides to use an a = 0.05 significance level.
Is there a statistically significant relationship between Sales and Experience?
O It is not possible to tell with the given information.
No
Yes
Transcribed Image Text:The analyst decides to use an a = 0.05 significance level. Is there a statistically significant relationship between Sales and Experience? O It is not possible to tell with the given information. No Yes
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