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Pani-rosa [81]
3 years ago
5

Using descriptive statistics, you have found out that it takes an average of 40 minutes to complete a mid-term examination in IS

DS 361 A. However, you were surprised to see that the median completion time is 55 minutes. This observation means thata. exam completion time is positively skewedb. exam completion time is negatively skewedc. exam completion time resembles the normal distributiond. exam completion time is probably tri-modal
Mathematics
1 answer:
choli [55]3 years ago
6 0

Answer:

b. exam completion time is negatively skewed

Step-by-step explanation:

A data distribution is said to be negatively skewed when <em>median</em> value of the distribution is higher than the <em>average</em> value of the distribution.

In this example

  • average mid-term completion time is 40 minutes  
  • median mid-term completion time is 55 minutes.

thus median > mean, so the mid-term completion time is negatively skewed. Negatively skewed distributions are also called left-skewed.

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3 years ago
. On April 3. Erin Gardner received her bank statement showing a balance of $2,087.93. Her
Darya [45]

Answer:

Total outstanding checks = $965.14

Adjusted checkbook balance = Adjusted statement balance = $1,935.90  

Step-by-step explanation:

Note: There are some typographical errors in this question. The question is therefore correctly represented as follows:

On April 3, Erin Gardner received her bank statement showing a balance of $2,087.93. Her checkbook showed a balance of $1,493.90. Outstanding checks were $224.15, $327.80, $88.10, $122.42, and $202.67. There was an $8.00 service charge, and the deposits in transit amounted to $813.11. There was an electronic payroll deposit of $450.00. Use the form below to reconcile Erin's account.

The explanation of the asnwers can now be presented as follows:

Erin Gardner

Calculation of Outstanding Checks

<u>No                                           Amount ($)  </u>

1.                                                 224.15

2.                                               327.80

3.                                                  88.10

4.                                                122.42

5.                                             <u>  202.67  </u>

Outstanding checks            <u>   965.14   </u>

Computation of adjusted checkbook balance

<u>Details                                               Amount ($)  </u>

Checkbook balance                          1,493.90

<u>Add:</u>

Electronic payroll deposit of           <u>    450.00  </u>

Subtotal                                              1,943.90

<u>Deduct:</u>

Service charge                                 <u>          (8)   </u>

Adjusted checkbook balance    <u>    1,935.90  </u>

Computation of adjusted statement balance

<u>Details                                               Amount ($)  </u>

Statement balance                            2,087.93

<u>Add:</u>

Deposits in transit                              <u>    813.11  </u>

Subtotal                                             2,901.04

<u>Deduct:</u>

Outstanding checks                          <u>   965.14   </u>

Adjusted statement balance      <u>    1,935.90   </u>

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2 years ago
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