The following are percentages of fat found in 5 samples of each of two brands of ice cream:Brand A5.74.56.26.37.3Brand B6.35.75.96.45.1Which of the following procedures is appropriate to test the hypothesis of equal average fat content inthe two types of ice cream?a. matched pairs t-test with 5 degrees of freedomb. two sample t-test with 9 degrees of freedomc. matched pairs t-test with 4 degrees of freedomd. two sample t-test with 4 degrees of freedom

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

The only way to identify an intercept is as an ordered pair. true false

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .