The mean salary of NBA players in 1996 was $3 million. You are interested to know if the mean salary of NBA players increased between 1996 and 2006. A simple random sample of 90 professional basketball player salaries in 2006 was recorded. The data is found in Which hypothesis test would be most appropriate for this study?

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

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answer: d.) the total number of protons and neutrons is 15

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the answer is a if my teacher taught me correct

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33