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jonny [76]
3 years ago
14

The data set shows the admission prices at several museums. $20, $20, $16, $12, $15, $25, $11 Find and interpret the range, inte

rquartile range, and mean absolute deviation of the data. The range is . The interquartile range is . The mean absolute deviation is . Question 2 The prices vary by no more than $ . The middle half of the prices vary by no more than $ . The admission prices differ from the mean price by an average of $ . 7 of 8 answered need help?check answer Next
Mathematics
1 answer:
Gemiola [76]3 years ago
8 0
11, 12, 15, 16, 20, 20, 25
Mean: 17

The range is 25-11 = 14 (the numbers in bold)

The interquartile range is 20-12=8 (the numbers underlined)

The mean absolute deviation is: 4; this is found by finding how far each number is from 17 (mean): 6,5,2,1,3,3,8  (28) and dividing by 7.

Part B:

The prices vary by no more that $14 (range).

<span>The middle half of the prices vary by no more than $8 (IQR).
</span>
<span>The admission prices differ from the mean price by an average of $4 (MAD).</span> 

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Please help me out and help me show work ??
DochEvi [55]

Answer:

23 is the smallest number

Step-by-step explanation:

Three consecutive numbers are numbers that come in a row. So if the first number is n then the next is n+1 and the following is n+2.

All together they add to 72.

So n + n+1 +n +2 = 72.

3n + 3 = 72

3n = 69

n = 23

8 0
3 years ago
An online shopping club has 10,000 members when it charges $7 per month for membership. For each $1 monthly
Sonja [21]

Answer:

The function that can be used in the online shopping club about its monthly revenue is:

R = -400x^{2} +7200x+70000

Step-by-step explanation:

First, we're gonna take into account the different values we have in the exercise:

  1. 10,000 members
  2. $7 per month for membership
  3. Loses of 400 members by each $1 monthly increase

How the variable x represents the price increase, we can do the formula below:

  • (10000 - 400x) * (7+x)

In this formula, we represent in the first part that by each 1 in the variable x, the total of members will be reduced in 400, in the second part, we mention that at the same time, the membership fee will be increased in the same value of x. Now we must simplify this function:

  • (10000 - 400x) * (7+x)

We operate the values:

  • 70000+10000x-2800x-400x^{2}

Solve we can:

  • 70000+7200x-400x^{2}

And organize:

  • -400x^{2} +7200x+70000

At the end, how R represents the monthly revenue received by the club, we use that variable for our formula:

  • R=-400x^{2} +7200x+70000

4 0
2 years ago
John finds a toy train set John finds a toy train set on sale for 20% off at a toy store. The original price was $35. John
Helen [10]

Well here's your answer straight <u><em>he must pay 29.82$ </em></u>and here's my work,

  1. 20% of 35 is 7 and since its 20% off we must subtract 35-7=28
  2. Next it said there's a 6.5 tax so that means we are adding on to 28$
  3. 6.5 of 28 is 1.82 so we add 28+1.82 which equals your answer 29.82

5 0
3 years ago
PLS HELP I NEED IT RIGHT NOW
oksian1 [2.3K]
I can’t really see it but it looks like 1
8 0
3 years ago
Problem If you roll two fair six-sided dice, what is the probability that the dice show the same number?
shusha [124]
Lets say yu are trying to roll a 4 on both of the dice the probability for both is 1/6 so multiply 1/6 × 1/6 and you get 1/36
so the probability for rolling the same number on each dice is 1/36
hope this helps!
8 0
3 years ago
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