The manager of a company recorded the number of hourse his employees worked during each two weeks. The following statistics were calculated.Week 1: the mean was 35 hourse with a standard deviation of 1.5 hours.
Week 2: The mean was 40 hourse with a standrad deviation of 2.0 hours.
The manager concluded that there was more variation in the number of hours worked for week 2 that for week 1. The manager's conclusion was-?
Answers
Answer 1
Answer:
It may have been busy so more staff were needed for a longer period of time.
Jorge's bowling score was 230 last week, but only 180 this week. What was the percent decrease in Jorge's score to the nearest percent? a) 128% b) 78% c) 28% d) 22%
Answers
find decrease first
230-180=50=decrase
percent decrease=decrease/original
50/230=0.21739=21.739% about 22%
ANSWER IS D
The answer is 22% because the other answers are two big
What time is 1 hour and 15 minutes before 6:10 P.M.?
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well take away the 1 hour it would 5:10 then take away the 15 which would be 4:55
6:10-1 15
4:55
610-115=495 (easier way to do it)
A length of string 1 yard long is formed into a square. How many inches long is each side of the square?
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ok, the first thing we have to do is find out how many inches are in a yard.
12 feet times 12 inches is 144 inches in a yard
then divide that by 4 because there are 4 sides to a square.
144/4=36
each sideis 36 inches long
What is the integer of $50 withdrawal
Answers
Withdrawals are always negative because you are taking away not adding in
The integer of $50 is $-50
Karissa begins to solve the 1/2 (x-14)+11=1/2x-(x-4)