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KengaRu [80]
3 years ago
7

*I WILL MARK U BRAINLIEST IF IT CORRECT* Using the following set of data, calculate the lower quartile, the upper quartile, and

the interquartile range.
20, 22, 25, 28, 29, 30, 32, 33, 34

Be sure to show your work for finding:

the lower quartile
the upper quartile
the interquartile range
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
4 0

Answer:

1. 20

2. 34

3. 14

Step-by-step explanation:

20 is smallest number

34 is biggest number

34-20=14

range is 34-20

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Darnel's retirement party cost $33, plus an additional $1 for each guest he invites. What is the maximum number of guests there
Karolina [17]

Answer: the maximum number of guests that he can invite would be 9

Step-by-step explanation:

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3 0
3 years ago
The price of an item yesterday was 135 . Today, the price fell to 54. Find the percentage decrease.
posledela

Answer:

60%

Step-by-step explanation:

135-60%=54

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7 0
3 years ago
Read 2 more answers
Austin borrowed money from a credit union for 4 years and was charged simple interest at an annual rate of 5% the total interest
Reika [66]

Given:

Rate of simple interest = 5%

Time = 4 years

Total interest = $160

To find:

The amount borrowed by Austin from a credit union.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the rate of interest and t is the number of years.

Putting I=160,r=5,t=4 in the above formula, we get

160=\dfrac{P\times 5\times 4}{100}

160=\dfrac{20P}{100}

160=\dfrac{P}{5}

Multiply both sides by 5.

800=P

Therefore, Austin borrowed $800 from a credit union for 4 years.

8 0
3 years ago
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