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Temka [501]
3 years ago
13

For a random sample of children from a school district in South​ Carolina, a regression analysis is conducted of yequalsamount s

pent on clothes in the past year​ (dollars) and xequalsyear in school. MINITAB reports the tabulated results for observations at xequals12. Predicted Values for New Observations NewObs Fit SEFit ​95% CI ​95% PI 1 448.0 10.6 ​(427,469) ​(101,795) a. Interpret the value listed under​ "Fit". Choose the correct answer below. A. Range of plausible values for the population mean. B. Standard error of predicted amount. C. Predicted amount. D. Range of plausible values for the individual observations.
Mathematics
1 answer:
AveGali [126]3 years ago
3 0

Answer:

Option B. Standard error of predicted amount.

Step-by-step explanation:

A standard error predicted amount will work best in this scenario. The data, when extracted from the standard mean, provides the most accurate presentation of the statistical data on question. By using the standard error, the variation from the central point can be determined.

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A(2/3x-3)=b solve for x
murzikaleks [220]

Answer:

x = \frac{3b}{2A} +\frac{9}{2}

Step-by-step explanation:

5 0
3 years ago
Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $43.5
Inga [223]

Using the Empirical Rule, it is found that:

  • a) Approximately 99.7% of the amounts are between $35.26 and $51.88.
  • b) Approximately 95% of the amounts are between $38.03 and $49.11.
  • c) Approximately 68% of the amounts fall between $40.73 and $46.27.

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

The Empirical Rule states that, in a <em>bell-shaped </em>distribution:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

-----------

Item a:

43.5 - 3(2.77) = 35.26

43.5 + 3(2.77) = 51.88

Within <em>3 standard deviations of the mean</em>, thus, approximately 99.7%.

-----------

Item b:

43.5 - 2(2.77) = 38.03

43.5 + 2(2.77) = 49.11

Within 2<em> standard deviations of the mean</em>, thus, approximately 95%.

-----------

Item c:

  • 68% is within 1 standard deviation of the mean, so:

43.5 - 2.77 = 40.73

43.5 + 2.77 = 46.27

Approximately 68% of the amounts fall between $40.73 and $46.27.

A similar problem is given at brainly.com/question/15967965

8 0
2 years ago
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Licemer1 [7]
The term is less than. Think about it this way next time, the mouth is open to the bigger number because it wants to eat the bigger number. So the number facing the tail is always less than.
3 0
2 years ago
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1. What is the next term of the arithmetic sequence 6, 10, 14, 18
givi [52]
It’s 22 (add 6 after every term)
8 0
2 years ago
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Ayuda me ( help me ) lol <br><br><br> please tho
Vera_Pavlovna [14]

Answer: 6 hikes

Step-by-step explanation:

Look at the image provided. The lengths of the hikes are provided below. 1/2 is equivalent to 2/4 which is greater than/longer than 1/4 of an hour. We count the amount of X's above the numbers 1/2, 3/4, and 1 for an answer of 6. Hope this helped! :)

6 0
2 years ago
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