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Karolina [17]
3 years ago
8

The data from exercise 3 follow. excel file: data12-17.xls the estimated regression equation for these data is ŷ = 7.6 + .9x. co

mpute sse, sst, and ssr (to 1 decimal). sse sst ssr what percentage of the total sum of squares can be accounted for by the estimated regression equation (to 1 decimal)? % what is the value of the sample correlation coefficient (to 3 decimals)? icon

Mathematics
1 answer:
Margaret [11]3 years ago
4 0

Answer:

SSE = 127.3

SST = 281.2

SSR = 153.9

percentage of the total sum of squares can be accounted for by the estimated regression equation is 54.7%

sample correlation coefficient  = 0.736.

Step by step explanation: Please find the attached files for the solution

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3 years ago
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Nataly_w [17]

Answer:

Given that an article suggests

that a Poisson process can be used to represent the occurrence of

structural loads over time. Suppose the mean time between occurrences of

loads is 0.4 year. a). How many loads can be expected to occur during a 4-year period? b). What is the probability that more than 11 loads occur during a

4-year period? c). How long must a time period be so that the probability of no loads

occurring during that period is at most 0.3?Part A:The number of loads that can be expected to occur during a 4-year period is given by:Part B:The expected value of the number of loads to occur during the 4-year period is 10 loads.This means that the mean is 10.The probability of a poisson distribution is given by where: k = 0, 1, 2, . . ., 11 and λ = 10.The probability that more than 11 loads occur during a

4-year period is given by:1 - [P(k = 0) + P(k = 1) + P(k = 2) + . . . + P(k = 11)]= 1 - [0.000045 + 0.000454 + 0.002270 + 0.007567 + 0.018917 + 0.037833 + 0.063055 + 0.090079 + 0.112599 + 0.125110+ 0.125110 + 0.113736]= 1 - 0.571665 = 0.428335 Therefore, the probability that more than eleven loads occur during a 4-year period is 0.4283Part C:The time period that must be so that the probability of no loads occurring during that period is at most 0.3 is obtained from the equation:Therefore, the time period that must be so that the probability of no loads

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Step-by-step explanation:

8 0
3 years ago
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VMariaS [17]

Answer:

\frac{(3x - 2)}{5}  = 2 \\ 3x - 2 = 10 \\ 3x = 2 + 10 \\ 3x = 12 \\ x =  \frac{12}{3}  \\  \boxed{x = 4}

  • <u>x=4</u> is the right answer.
3 0
3 years ago
What value of X makes the equation true?<br><br> 12x-15=16-3x
gogolik [260]
X= 2 1/15 or 31/15.
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3 years ago
Please help Magan recorded the grade-level and instrument of everyone in the middle school
jeyben [28]

Answer:

Probability = \frac{11}{40}

Step-by-step explanation:

Given

See attachment

Required

The probability that a 7th grader selected will play guitar.

From the attachment, we have:

7th\ graders =11+8+8+13

7th\ graders =40

7th graders that can play guitars are:

Guitars = 11

So, the probability is:

Probability = \frac{Guitars}{7th\ graders}

Probability = \frac{11}{40}

5 0
3 years ago
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