Question

And find the p value

BIOSTAT SPRING 2018 236281 PICK Homework: HmWrk-26 Score: 5 of 20 pts HW Score: 83.33%, 137.5 of 165 pts 8.3.12 E Question Help Assume that a simple random sample has been selected and test the given claim Identify the null and alternative hypotheses, test statistic, P-value, and state the final ge conclusion that addresses the original claim. Use a 0.01 significance level A data set includes platelet counts (1000 cells/HL) measured from 156 adult males. In testing the claim that the population of adult males has a mean platelet count greater than 211, the accompanying technology display is obtained. Identify the null and alternative VA. H0.#211 (1000 cels / L) H1 : ?> 211 (1000 cels/pL) B. Ho ?., 211 (1000 cells / ?L) H1 ? < 211 (1000 cells / ?L) OC. Ho»-211 (1000 cells/uL) H. 21 1 (1000 cells, ul.) O D. Ho u 211 (1000 cels/l.) H1 : ?-211 (1000 cells/yL) Test of ?-211 vs > 211 T Variable N Mean StDev SEMean 95% Lower Bound Platelet 156 22565 56.28 216.75 325 0.001 (Round to two decimal places as needed) Enter your answer in the answer box and then click Check Answer parts

Answer 1

a)

$H_0: \mu = 211$

$H_a: \mu > 211$

b)

From the output table we can say that,

Test statistic t = 3.25

c)

p-value is

DF = 156-1 = 155

P(t>3.25) = 0.001 <0.01

Reject Ho

Population mean is greater than 211