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

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

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i googled it and this is what i got i don't know how it is. sorry.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

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answer: 5

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