Question

Q.NO. 8 (b) A medical researcher believes that a drug changes randomly selected and the body temperature of each is me and after 30 minutes, the body temperature below. Is there enough evidence to conclude Let d-body temperature after taking drug level of a=0.1 for the test. Assume that the a drug changes the body's temperature, Seven test subjects are rature of each is measured. The subjects are then given the drug. temperature of each is measured again. The results are listed in the table Bevidence to conclude that the drug changes the body's temperature? are after taking drug)-(body temperature before taking drug) Use a significance e test. Assume that the body temneratures are normally distributed for the population of people both before and after taking the drug. We before) Subject Temperature (before) Temperature (after) 1 993 ORQ 99- 3 2 9 94 9 88 3 100 1 100.5 4 100.8 100.3 5 100.0 99.5 6 99.6 99.3 7 99.9 99.4 083 1

Answer 1

ne, X,; - Body + empreaturu of ith subjeet before taking drug aft eve tadking Body tsmpereatwu of i tu drug i z1,2, popn beforu taking dng nftere MI : Body +amp. of dhe ta of Body +dnp. aften and i=1,: : 7. Differran ea d: = bafore tahing drug. changer -the rnedicine to trehetaer aeaut hy pothenis ueould be be dy tenperatwre on Ho: M, =M2 ag. ag. Hi: Md t 0. ie Ho: in given Also it tailed test. is tuuo distribution. un dur Ho data cones fro m normal the tueo sample test statis tie, wo uld b, So, (Me-Me) ni 4 n2 -2 (n, - 1) 3," + (n2-1) 82 : poo lid varciance ni + n2 - 2 699.1 S a mpie uean for xc s99.87 n, 6 96.7 :99.53. 5 (x; - 7,) : o Sample var. for X.: S ampre fize.

TABLE (x,: - xi )~ O • 3249 98.9 O: 39 69 99.3 0- 2209 98.8 0. 5329 99.4 100.5 0•0529 100. 1 0 : 8649 100. 3 0.5929 100.8 99.5 O : 0169 99.3 0.0529 O . 0729 9 9.6 99:4 0. 01 69 O-000 q 99.9 2-5343 L.5543 Total ·1•5543 - 0. 25a 2.5343 O•422 x 0-259)+ ( G x 0•422) 7 + 7 - 2 4.086 0. 3406 To.3406. 0. 58 35 99.53) - (99.87 0- 3119 O:5835

Null hypothesin if weill ujeet the We ( tab ). tx12,net+n --- 2 alous. সাক ও Here, 3.055 (fom t dist" table) to.005 = 3.053 to.05, 12 Hever, t oь s & conelede that he Ho we fail to rejeet no affeet on body tumperature. medicine has