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REY [17]
3 years ago
6

Listed below are the top 10 annual salaries of tv personalities. Find the range , variance and standard deviations for the sampl

e data.
Given that these are the top 10 salaries, do we know anything about the variance in salaries of TV personalities?
42 40 39 31 22 18 15 12 11.7 10.5
Mathematics
1 answer:
irinina [24]3 years ago
4 0

range is 31.5, variance is 161.3 and standard deviation is 12.7 for a sample of top 10 annual TV personalities.

Step-by-step explanation:

  • Average is mid-point is the mid-point of the data but can skew....
  • On the Left or Right is there are higher or lower values.
  • Range is difference between maximum and minimum value of data.
  • Variance, measure of variability of data but squared or mean deviation.
  • Standard deviation is the most important variability.
  • It helps in finding out variability with 3 sigma deviations.
  • Standard deviation is square root of variance and each sigma explains...
  • The data lieing between or within the extreme values.

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Identify the constant of proportionality from the table.
ivann1987 [24]

Answer:

The constant of proportionality is 3.

Step-by-step explanation:

6/2 is 3 and so on.

Correct me if I'm wrong

3 0
2 years ago
The angle that is an alternate interior angle with angle 1 is angle ?
natima [27]

Answer:

the alternate angle is angle 2

8 0
3 years ago
Read 2 more answers
Find the consecutive positive odd integers whose product is 99​
dezoksy [38]

Answer:

9 and 11

Step-by-step explanation:

So let's say that the first integer is x.

That means that the second integer is x+2, since it us the next odd number.

This problem can be easily solved with our mind the answer is 9 and 11, but I'll show you the steps to slove this.

We make an equation using these two numbers:

(x)*(x+2)=99\\

Now all we gotta do is solve for x:

x^2 +2x = 99\\x^2+2x-99=0

Now we use either splitting the middle term or quadratic formula:

x^2+11x-9x+99=0\\x(x+11)-9(x+11)=0\\(x+11)(x-9)=0

Now we split each terma and solve for x:

(x-9)=0\\x=9\\(x+11)=0\\x=-11

Now the question states <em>positive </em>so we can rule out x = -11.

Now we have the first integer x = 9,

the second integer is x+2 = 9+2 =11

So the two consecutive positive odd integers are 9 and 11

4 0
3 years ago
Find the mean,median and range of the following list of values and choose the correct result.
Aloiza [94]

Mean: 10.5

Median: 10.5

Range: 5

--------------------------------------------

<u></u>

To find the mean you order the numbers then add then divide.

<u>Add</u>

8+9+10+10+10+11+11+11+12+13=105

<u>Divide</u>

105÷10=10.5

Mean = 10.5

--------------------------------------------

<u></u>

Finding the median essentially involves finding the value in a data sample that has a physical location between the rest of the numbers.

Find the middle number. Put your left finger on 8 and your right finger on 13. Move your left finger to the right to 10 and move your right finger to 11.

the middle number is 10.5 so therefore it is the median.

--------------------------------------------

<u></u>

To find the range you subtract the biggest number to the smallest number.

<u>Subtract</u>

13-8=5

Therefore 5 is the range

5 0
3 years ago
Read 2 more answers
PLEASE HELP!
shusha [124]

<u>For -1:</u>

y = x + 6

y = 5

( -1, 5)

<u>For 0:</u>

y = x + 6

y = 6

(0, 6)

<u>For 2:</u>

y = x + 6

y = 8

(2,8)

<u>For 4:</u>

y = x + 6

y = 10

(4,10)

8 0
3 years ago
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