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zysi [14]
3 years ago
15

Help please I know what mean absolute deviation is I don’t know what it does tho

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:

The average number of Tv's sold was higher at store A than at store B

Step-by-step explanation:

You don't have to solve anything. They already gave you the mean/average. They just want to know who sold the most, so in this case you would just see who has the higher number, and see what answer matches.

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2 years ago
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Answer:

The  test statistic is  t  = 3.744

Step-by-step explanation:

From the question we are told that

  The population mean is  \mu  =  140

  The  The  level of significance is  \alpha  =  0.05

  The  sample size is  n =  18

   The  null hypothesis is  H_o :  \mu =  140

    The  alternative hypothesis is  H_a  :  \mu > 140

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Generally the test statistics is mathematically represented as

       t  =  \frac{\= x  - \mu }{ \frac{ \sigma}{ \sqrt{n} } }

substituting values

      t  =  \frac{ 155  - 140 }{ \frac{ 17 }{ \sqrt{18} } }

      t  = 3.744

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3 years ago
Which value of x is a solution of the inequality?
avanturin [10]

Answer:

3x-3>=9=>

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2 years ago
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suppose you invest b$1000 in an account that guarantees an interest rate of 2.5% compounded daily. How much money would be in yo
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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

:)

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