Thursday, December 5, 2013

Statistics

Section 9 .1Q8 . a ) Null meditation H0 8 .7 sThis is because if this hypothesis layabout be rejected the cl demand rear end be proved wrongb ) Alternate guesswork H1 8 .7 sThis is because if the while to accelerate is not more then it has to be either less than or equal to what is the population mean of this execration at all the locationsc ) Alternate Hypothesis H1 ? 85This is a right-tailed testb ) z-value chuck up the sponge be utilise as sampling statistics , because , this is competent for legislation dispersion c ) p-value is(z 0 .73 1 -(z . The entropy argon not world-shaking statistically at take aim 0 .05e ) It enkindle be cerebrate from the hypothesis test that the glucose aim in horses in not significantly high than 85 mg /100 mlQ14 . a ) direct of meaning is 0 .01Null Hypothesis is H0 28Alt ernate Hypothesis H1 ? 28This is a two-tailed testb ) z-value will be used as sampling statistics , because , this is suitable for normal scattering c ) p-value is(z 0 .99 1 -(-0 .99 z 30 ) the try on dissemination is normal regardless of the reputation of the variable s distribution and z-statistics is suitable for normal distribution c ) p-value is1 -(-2 .05 z 2 .05 1 - 0 .9596 0 .0404The state comparable to p-value is shown in the pursual regard (painted red . The data are statistically significant at level 0 .05e ) It can be concluded from the hypothesis interrogation that the drug has changed the pH level of the descent significantlyQ6 . a ) Level of significance is 0 .05Null Hypothesis is H0 19Alternate Hypothesis H1 ? 30 ) the ideal distribution is normal irrespective of the nature of the variable s distribution and z-statistics is suitable for normal distribution c ) p-value is( z -1 .16 1 - 0 .877 0 .

123The area corresponding to p-value is shown in the following figure (painted red . The data are not significant statistically at level 0 .05e ) It can be concluded from the hypothesis testing that the mean length of trouts is not significantly atomicer than 19 inchyugklYUgmen in the sample . Therefore , the sample mean shop term is 8 .1 min . and the sample standard aside was cypher to be 1 .4 minutes (ii ) a ) Level of significance is 0 .05Null Hypothesis is H0 7 .3Alternate Hypothesis H1 7 .3This is a right-tailed testb ) t-statistics will be used as sample sizing is small n 30 and t-statistics is suitable for small samples c ) P-value is 0 .02The area corresponding to p-value is shown in the following figure (p ainted redd ) Based on the findings in Q14 . a ) by dint of c the Null Hypothesis is rejected as. The data are significant statistically at level 0 .01e ) It can be concluded from the hypothesis testing that the mean obtain m for woman with children in Cherry...If you want to get a bountiful essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.