Listed below are altitudes (thousands of feet) and outside air temperatures (°F) recorded during a flight. Find the (a) explained variation, (b) unexplained variation, and (c) indicated prediction interval. There is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when making predictions. For the prediction interval, use a 95% confidence level with the altitude of 6327 ft (or 6.327 thousand feet). Altitude 3 12 16 25 29 31 32 Temperature 59 40 28 1 - 26 - 41 - 50 a. Find the explained variation. 10,179.34 (Round to two decimal places as needed.) b. Find the unexplained variation. (Round to five decimal places as needed.)
Continuous Probability Distributions
Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.
Normal Distribution
Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!
![Listed below are altitudes (thousands of feet) and outside air temperatures (°F) recorded during a flight. Find
the (a) explained variation, (b) unexplained variation, and (c) indicated prediction interval. There is sufficient
evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when
making predictions. For the prediction interval, use a 95% confidence level with the altitude of 6327 ft (or 6.327
thousand feet).
Altitude
12
16
25
29
31
32
Temperature
59
40
28
1
- 26
- 41
- 50
a. Find the explained variation.
10,179.34
(Round to two decimal places as needed.)
b. Find the unexplained variation.
(Round to five decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F60345510-3d33-45c8-87ff-b8e2666cb6d7%2F3ab4ce33-5bf2-49df-adfb-f60fb1eebd50%2Fsz8lu0j_processed.png&w=3840&q=75)
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