ayrshire.jpg Which breed is shown in the picture attached?

Strunk and White, Chapter 2, details the following 7 rules.   Put statements in positive form. Use the active voice. Use definite, specific, concrete language. Omit needless words. Avoid a succession of loose sentences. Express coordinate ideas in similar form. Keep related words together How many of these 7 rules always result in a more concise paragraph (i.e., few words communicating the same ideas).   Enter an integer between 1 and 7.  

What is the point estimate for Pcoffee – Pnon-coffee, the difference in the true proportions of coffee drinkers and non-coffee drinkers who frequently have trouble sleeping? Round to two decimal places. 

This first section all refers to various section of Strunk and White 2020.

Often misused words:  The following sentence is correctly written.  In regard to your invitation, I would love to attend and bring a guest.  The phrase “In regard to” above is often misused/miswritten; please type that incorrect usage below (3 words).

Correctly recast this poorly-written sentence. The fact is that this exam is less difficult than I expected.

Sally was running late – please select the sentence below that is punctuated correctly around the quotation marks.  

Suppose we are helping to perform a significance test for each of the following situations.  State the null hypothesis Ho and the alternative hypothesis H1 in each case.  NOTE 1: Do not attempt to perform any statistical test.NOTE 2: Clearly indicate the two groups. Educational psychologists are interested in identifying characteristics that affect academic performance at a residential college. One variable investigated in their study was car ownership. It was hypothesized that car owners at residential colleges will have a lower grade-point average.

Using question 5, state the decision (reject the null & conclude the alternative, or do not reject the null) at the alpha level of 0.05. Be sure to state WHY.

Using question 34, state the decision (reject the null & conclude the alternative, or do not reject the null) at the alpha level of 0.01. Be sure to state WHY.