If Sheila can type 531 words in 3 minutes, how many words does she type in 1 minute?
1 answer:
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1) This is a question for Annuity usage. Note that we'll need the following formula below:
Note that P is the value you'll need to deposit each month so that in 35 years you'll have $400,000 for your retirement.
Answer:
--- Population standard deviation
--- Population Variance
Step-by-step explanation:
Given: Wake-up time data
Required: Determine the population standard deviation and the population variance using Excel
First, enter the given data in Excel
For this question, I entered the data in cell A2 through cell A21
Cell B2 and Cell C2 were used to hold the results of the population standard deviation and the population variance, respectively.
In cell B2, the formula to use is:
=ROUNDUP(STDEV.P(A2:A21),3)
The round function rounds the result to 3 decimal places while STDEV.P calculates the population standard deviation.
So, the result is:
In cell C2, the formula to use is:
=ROUND(VAR.P(A2:A21),3)
The round function rounds the result to 3 decimal places while VAR.P calculates the population variance.
So, the result is:
<em>See attachment for Excel file</em>