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yarga [219]
3 years ago
14

Is it true that a smaller standard deviation means the data set tended to cluster around the mean? In the form of a paragraph, e

xplain in complete sentences the reasons that you believe this statement is true or false. Complete your work in the space provided or upload a file that can display math symbols if your work requires i
Mathematics
1 answer:
pav-90 [236]3 years ago
4 0
Yes, the smaller the standard deviation the closer the results are clustered around the mean.

Standard deviations measure the spread of the values in a data set. The more spread out the values, the higher the standard deviation.
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Child must be higher than 36 which means any number between or above 36 isn't  allowed . graph that.

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What is 5 multipled by 18
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2/35=x/140 solve the proportion
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If a man earns $3580 per month and spends 65% of it. How much does he save every month?
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7) Rob and Amy are selling cheesecakes for a school fundraiser. Customers can buy New York
Firlakuza [10]

9514 1404 393

Answer:

  • New York style: $14
  • Chocolate Marble: $16

Step-by-step explanation:

We can let n and c represent the costs of the New York style and the chocolate marble cheesecakes, respectively. Then the two sales are ...

  11n +7c = 266 . . . . . . . Rob's sale

  4n +14c = 280 . . . . . . Amy's sale

The ratio of coefficients of c is a "nice" number (2), so we can eliminate the c variable easily to solve this. Dividing the second equation by 2 and subtracting it from the first gives ...

  (11n +7c) -(1/2)(4n +14c) = (266) -(1/2)(280)

  9n = 126 . . . . . . simplify

  n = 14 . . . . . . . . divide by 9

Filling this into the first equation, we have ...

  11(14) +7c = 266

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  c = 16 . . . . . . . divide by 7

One New York style cheesecake costs $14; one chocolate marble cheesecake costs $16.

3 0
3 years ago
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