Which of these equations represent functions? Check all that apply. A. 3x2 - y2 = 1 B. y = 6x C. y = x2 - 2 D. y2 = x2
2 answers:
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Answer:
Option B is right
Step-by-step explanation:
(One tailed test at 5% significance level)
n =16 and x bar =1.97
s =0.1
Std error of mean =
Mean diff =
t statistic =Mean diff/se =-1.2
df =16-1=15
p value =0.124375
(B) do not reject the null because the test statistic (-1.2) is > the critical value (-1.7531).