The following results come from two independent random samples taken of two populations. Sample 1 Sample 2

a. What is the point estimate of the difference between the two population means? (to 1 decimal)

b. Provide a confidence interval for the difference between the two population means (to 2 decimals).
( , )
c. Provide a confidence interval for the difference between the two population means (to 2 decimals).
( , )

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step-by-step explanation:

the correct answer is 5 6 and 7

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

a

step-by-step explanation: