Listed below are the commissions earned ($000) last year by a sample of 15 sales representatives at Furniture Patch Inc.$4.0 $6.0 $7.4 $10.6 $12.5 $13.6 $15.4 $15.8 $16.8
$17.4 $19.1 $22.3 $37.1 $43.2 $81.4
a. Determine the mean, median, and the standard deviation. (Round your answers to 2 decimal places.)
Mean $
Median $
Standard deviation $
b. Determine the coefficient of skewness using Pearson
Answers
Answer:
Mean= $21.5067
Median = $15.8
Standard deviation= $19.02
Coefficient of skewness= $0.8991
Step-by-step explanation:
Mean =( $4.0 +$6.0 +$7.4+ $10.6 +$12.5+ $13.6+ $15.4+ $15.8 +$16.8
+$17.4+ $19.1 +$22.3+ $37.1 +$43.2 +$81.4)/15
Mean =$ 322.6/15
Mean= $21.5067
Median= middle number
Median = $15.8
Variance=( ($4.0-.$21.5)²+( $6.0. -.$21.5)²+( $7.4 -.$21.5)²+( $10.6 -.$21.5)²+( $12.5 -.$21.5)²+( $13.6. -.$21.5)²+ ($15.4 -.$21.5)²+( $15.8 -.$21.5)²+ ( $16.8 -.$21.5)²+ ($17.4-.$21.5)² +($19.1 -.$21.5)²+ ($22.3 -.$21.5)²+ ($37.1 -.$21.5)²+ ($43.2-.$21.5)²+( $81.4-.$21.5)²)/15
Variance=$ 5424.79/15
Variance=$ 361.65
Standard deviation= √ variance
Standard deviation= √361.65
Standard deviation= $19.02
Coefficient of skewness
=3( mean-median)/standard deviation
= 3(21.5-15.8)/19.02
= 3(5.7)/19.02
= 17.1/19.02
Coefficient of skewness= 0.8991
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Find the slope using the formula.(4, 19) and (2, 11)
A box of cereal weighs 0.75 pounds. how many ounces are in 0.75 pounds? (1 lb = 16oz)
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Answer:
I:40,ii:65,iii:75,iv:40,v:75,vi:15
Step-by-step explanation:
75+65+i=180
140+i=180
i=180-140
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i=iv=40(alternative angle)
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v=180-105
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v=iii=75(alternative angle)
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ii=65
a. Slope = -0.35
y-intercept = -10.9
b. Slope = -0.35
y-intercept = 10.9
c. Slope = 0.35
y-intercept = -10.9
d. Slope = 0.35
y-intercept = 10.9
Answers
Slope & Intercept are : D) 0.35 , 10.9
Regression is the relationship between explanatory (independent) & dependent variable, which are x & y respectively.
The regression equation y = a + bx + c has intercept & slope a & b respectively , formula for finding them are as follows :
b = r ( σy / σ x )
0.223 ( 3.03 / 1.92 )
= 0.223 (1.578125)
= 0.3519
a = Y' - bX'
a = 13.8 - 0.3519 ( 8.2 )
= 13.8 - 2.8558
= 10.91
Regression Equation : y = 10.9 + 0.35x
To learn more, refer brainly.com/question/7656407?referrer=searchResults
Answer:
d. Slope = 0.35
y-intercept = 10.9
Step-by-step explanation:
The computation is shown below:
Data given in the question
Mean = 8.2
The standard deviation of x = = 1.92
Mean = 13.8
The standard deviation of y = = 3.03
The correlation = r = 0.223
Based on the above information,
As we know that
The slope is
= 0.3519
Now the y-intercept is
= 13.8 - (0.351922) 8.2
= 13.8 - 2.88579
= 10.91
Answers
Answer:
1. The last one
2. The third one
Answers
Answer:
x = 2+
Step-by-step explanation:
Answers
Subtract the amount she gives her mom from the total amount she has:
22 - 12 = 10
She has 10 boxes left.
Answers
Answer:
?? If you answer is how does 10 become 100, you multiply 10 by 10?? Sorry
Step-by-step explanation:
Answer:
100 is 10 times as much as 10
Step-by-step explanation:
10 times 10 is 100.