Answer:
The tabulated value is less than the calculated value, therefore we accept the null hypothesis and It show that there is a difference in the mean overall distance of brands.
Step-by-step explanation:
Answer:
answer is first option

wherein, a = 1, b = -3, c = -5
Answer:
C will be the rightful answer
Answer:
Step-by-step explanation:

Answer:
k = 15.94
Step-by-step explanation: