We investigate if a period of time feels longer or shorter when people are bored compared to when they are not bored. Using independent samples, we obtain these estimates of the time period (in minutes):

Sample 1 (bored): X = 14.5, = 10.22, n = 28

Sample 2 (not bored): X = 9.0, = 14.6, n = 34

(a) What are H0 and Ha?
(b) Compute tobt
(c) With ? = .05, what is tcrit?
(d) What should the researcher conclude about this relationship?
(e) Compute the confidence interval for the difference between the ?s.
(f) Using our two approaches, how important is boredom in determining how quickly time seems to pass?

yes

step-by-step explanation:

yes

step-by-step explanation:

mean or average is 40.6

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.