For the following claim, find the null and alternative hypotheses, test statisti
ID: 3227384 • Letter: F
Question
For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d.
(a) null and alternative hypothesis
(b) test statistics
(c) p-value
(d) conclusion/analysis
Claim: The mean IQ score of statistics professors is greater than 133.
Sample data:
n=12,
x over bar =134,
s=14.
The significance level is =0.05.
Homework: 8-4 HW Score: 71.6796, 43 of 6 pts 5 of 6 (6 complete) v Score: 0.25 of 1 pt Quest on Hep 8.4.17 womanomaly populaton Forthe flowing daim, find the nul and anematve hypoeesestest statste artica value, and draw a conclusion. Assume that a simple random sample has been selected Answer pans ad. Claim The mean score of professors is greater tan 133 Sample data n.12.x 130 s 14. The significance level is a 005. R clckte ioon to view a table ofertealtvalues. a Choose the correct null hypothesis (Heland ahemative hypothesis(H) MA How He w 133 133 MacBook ProExplanation / Answer
here std error of mean =std deviation/(n)1/2 =4.0415
b)hence test statistic =(X-mean)/std error =(134-133)/4.0415=0.2474
c)p value =0.4046
d)do not reject null hypothesis