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mariarad [96]
1 year ago
5

The following data values represent the daily amount spent by a family during a summer vacation. find the sample standard deviat

ion of this dataset: $96, $125, $80, $110, $75, $100, $121
Business
1 answer:
Mama L [17]1 year ago
4 0

The sample standard deviation of this dataset is =19.1.

The Standard deviation is a degree of the amount of variant or dispersion of a set of values. A low widespread deviation indicates that the values tend to be near the mean of the set, at the same time as a high widespread deviation indicates that the values are spread out over a much wider variety.

x x- \bar x=x-101 (x-ˉx)2

96     -5                          25

125     24                        576

80     -21                     441

110     9                          81

75    -26                   676

100      -1                         1

121        20                    400

∑x=707 ∑(x-\bar x)=0 ∑(x-\bar x)2=2200

Mean \bar x =∑x/n

=96+125+80+110+75+100+121/7

=707/7

=101

Sample  standard deviation S=√∑(x-\bar x)2/n-1

=√2200/6

=√366.6667

=19.1

Learn more about standard deviation here:-brainly.com/question/475676

#SPJ4

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Answer:

a. With New Stock = 8.307%

b. With Old stock = 7.971%

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The weighted average cost of capital (WACC) defines the cost rate that blends the capital structure cost including equity, debt, and preferred stock.

Requirement A

If it uses retained earnings as its source of common equity,

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We know, the weighted average cost of capital (WACC) =

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Requirement B

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Given,

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Cost of preferred stock, R_{p} = 6.4%

Cost of new Equity, R_{s} = 10.9%

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WACC = (0.40 x 4.14%) + (0.05 x 6.4%) + (0.55 x 10.9%)

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