3. The average rainfall of a certain geographical location is modeled by the
lable below.
plot the data on The graph below if January is equivalent to x = 0.
Por A
Rainfall
(in inches)
Month
72
Jan
75.7
Feb
78.7
Mar
81
Apr
82.6
May
83.6
Jun
84
Jul
83.6
Aug
82.7
Sep
81
Oct
78.6
Nov
75.7
Dec
Part B: What type of geographical location might be represented by this
graph?

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =