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SSSSS [86.1K]
3 years ago
11

Suppose your statistics instructor gave six examinations during the semester. You received the following exam scores (percent co

rrect): 79, 64, 84, 82, 92, and 77. To compute your final course grade, the instructor decided to randomly select two exam scores, compute their mean, and use this score to determine your final course grade.
a. Compute the population mean. This is your average grade based on all of your grades. (Round your answer to 2 decimal places.)
b. Compute the population standard deviation. (Round your answer to 2 decimal places.)
Business
1 answer:
mixas84 [53]3 years ago
3 0

Answer: a) the population mean is 79.67

b) the population standard deviation is 6.20

Explanation:

a) to calculate the population mean, add all the values together, and then divide by the number of values added: (79+64+84+82+92+77)/6 = 478/6 = 79.67

b) to calculate to population standard deviation, take each value and subtract the mean, square each answer and add them all together, then divide the answer by the number of values added - 1:

(79-79.67)^{2} + (64 -79.67)^{2} + (84-79.67)^{2} + (82-79.67)^{2} + (92-79.67)^{2} + (77-79.67)^{2}  = 429.33

429.33/(6-1) = 85.87

The standard deviation will be the difference between this value and the mean:

85.87 - 79.67 = 6.20

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The current value in today's dollars of a future sum of money is called :______
AleksandrR [38]
Ans: (a) present value
4 0
2 years ago
Allure Company manufactures and distributes two products, M and XY. Overhead costs are currently allocated using the number of u
AVprozaik [17]

Answer:

Option (b) is correct.

Explanation:

Given that,

Total Overhead Cost = $477,000

Number of Units of Product XY = 72,000

Number of Units of Product M = 108,000

Total overhead allocated to Product XY using the current system:

= (Total Overhead Cost ÷ Number of units produced in total) × Number of Units of Product XY

= ($477,000 ÷ 180,000) × 72,000

= $2.65 × 72,000

= $190,800

5 0
4 years ago
In what accounts should the following items be classified? (a) Coins and currency. (b) U.S. Treasury (government) bonds. (c) Cer
Dimas [21]

Answer:

Explanation:

Cash: generally classify cash as a cuffent asset Cash conststs of coins, currency, and available on deposit at the bank Cash the most liquid of as*ts, is standard medium of exchange and fre basis for meas_wtng and accountmg for all other items

Cash quivalents: cash equivalents are short-term, highly liquid investments that are both readily convertible to known amount of cash.

Accounts Receivable: Receivables are clams held against customers and others for money, goods, or services

Short term investments: Investments for one year or less called as short-tem investments

Long-term assets: Long-term means more than one accounting cycle period

Items                                                                                               Accounts

a) Coins and currency                                                                   Cash

b) U S treasury (government) bonds                                            Cash equivalent

c) Certificate of deposit (matures in 5 months)                           Short term investment

d) Cash in a bank that is in receivership                                     Account receivable.

e1) NSF check ( Returned with bank statement)(if uncollectible)                           A loss if uncollectible

e2) NSF check ( Returned with bank statement)(if collectible)                           Accounts receivables

f1) Deposited in foreign bank (exchangeability limited )(if not expendable)               Other assets, if not expendable.

f2) Deposited in foreign bank (exchangeability limited )(if expendable)       Cash if expendable for goods and services in a foreign country

g1) Postdated checks (if collection expected within one year)                                                                    Short term investments

g2) Postdated checks (if collection expected within beyond year)                                                                    long term investments

8 0
3 years ago
Patricia Nall was approved for a $3,000, two-year, 11 percent loan with the finance charges figured using the discount method. H
Luba_88 [7]

Answer:

$2,340

Explanation:

The computation of cash received from this loan is shown below:-

cash received from this loan = Approved amount - (Approved amount × Two year × Percentage of loan )

= Approved amount - ($3,000 × 2 × 11% )

= $3,000 - ($3,000 × 2 × 0.11 )

= $3,000 - $660

= $2,340

Therefore, for computing the cash will Patricia receive from this loan we simply applied the above formula.

4 0
3 years ago
In the heading of a cover letter, which of the following formats should be used for the date?
loris [4]
<span>It should be laid out like this example:(November 10, 2015)</span>
7 0
3 years ago
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