1) what is hypothesis testing? (a) it’s testing a hypothesis by doing a literature review (b) it’s a way to intuitively consider predictions and think about which might be true (c) it evaluates two mutually exclusive statements about a population to determine which statement is best supported by the sample data (d) hypothesis testing will only require statistics if the data are already significantly different (e) c, d (f) none of the above

(C) It evaluates two mutually exclusive statements about a population to determine which statement is best supported by the sample data.

Step-by-step explanation:

A hypothesis is a statement that has been formulated based on previous knowledge. The process of testing if that statement is true is called hypothesis testing. To test a formulated hypothesis ( alternative hypothesis), it must be statistically analyzed if the data collected from a population supports this alternative hypothesis, or if, on the contrary, a mutually exclusive statement (null hypothesis) is supported.

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.