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Vilka [71]
3 years ago
13

A salesperson makes a five percent commission on every sale she makes. Her daily sales in dollars) for the past 16 working days

were: 28 49 50 34 33 44 35 25 29 30 35 34 32 40 78 39. a) Find the 5 number summary and P30 b) Find the values of the standard deviation, range, and interquartile range (IQR). c) Are there any outliers? Explain!.
Mathematics
1 answer:
Novay_Z [31]3 years ago
8 0

Answer:

Step-by-step explanation:

a. The five-number summary is made up of the following summary means:

1. Minimum: 25

2. First Quartile: 30.5

3. Medium: 34.5

4. Third quartile: 43

5. Maximum: 78

6. P30: 32.1

b.

Standard Deviation: 12.72

Rank: 53

Interquartile range: 12.5

C. The interquartile range is 12.5 and 1.5 times the interquartile range is (1.5) (12.5) = 18.75. Third quartile plus 1.5 times the interquartile range is 61.75. The value of 78 exceeds 61.75, then 78 is an outlier.

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Plz help will make brainlyist
siniylev [52]

Answer:

A. 6

B. 143

C. The words "less than", "equal to", and "no more than"

Step-by-step explanation:

For a, we would want to first make an equation to represent the problem. It appears you've already figured that out though, so lets solve it!

Subtract 56 on both sides.

-6m=-36

Now divide -36 by -6 to isolate m.

m=6

It will take her 6 minutes.

For B, we need to make another equation.

2.95b<450-28

First, we can subtract 28 from the total, because she has already spent $28.

Now our equation is 2.95b<422

Lastly, just divide both sides by 2.95 to isolate b.

Our solution is 143. So she can buy 143 batteries.

Lastly, for 13, we can say that the words "less than", "equal to" and "no more than" can indicate an inequality in a real word problem.

Hope this helps!

3 0
3 years ago
The weather report says that there is a 20% chance of rain. What is the likelihood that it will rain?
zzz [600]
Unlikely . 1%-49% is unlikely.
3 0
3 years ago
What theorem can be used to prove that the two triangles are congruent?
hammer [34]
Pythagorean theorem a^2+b^2=c^2
6 0
3 years ago
Sara has 4\frac{3}{4}4 4 3 ​ yards of red fleece and 2\frac{2}{3}2 3 2 ​ yards of blue fleece fabric. How many yards of red and
Musya8 [376]

Answer:

4567

Step-by-step explanation:

5 0
3 years ago
What is the answer to this algebra 1 answer : 6&gt; 4-2×&lt;4
Artist 52 [7]
6>4-2x<4

so therefor (4x-2) must be less than 6 and less than 4
it must be
6>4-2x and 4<4-2x
find the intersection

6>4-2x
add 2x to both sides
6+2x>4
subtract 6
2x>-2
divide by 2
x>-1



4>4-2x
add 2x
4+2x>4
subtract 4
2x>0
x>0




so we have
x>0
and x>-1
the range of x>-1 includes most of x>0 so the answer is
x>-1

6 0
3 years ago
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