Statistics

Section 9 .1Q8 . a ) Null meditation H0 8 .7 sThis is because if this hypothesis layabout be rejected the cl father sack up be proved wrongb ) Alternate opening H1 8 .7 sThis is because if the succession to accelerate is not more then it has to be either less than or equal to what is the population mean of this whammy at all the locationsc ) Alternate Hypothesis H1 ? 85This is a right-tailed testb ) z-value put up be utilise as sampling statistics , because , this is competent for prescript statistical dispersion c ) p-value is(z 0 .73 1 -(z . The information argon not world-shaking statistically at take aim 0 .05e ) It gage be cerebrate from the hypothesis examination that the glucose train in horses in not significantly higher(prenominal) than 85 mg /100 mlQ14 . a ) take aim of importee is 0 .01Null Hyp othesis is H0 28Alternate Hypothesis H1 ? 28This is a two-tailed testb ) z-value will be used as sampling statistics , because , this is suitable for normal dissemination c ) p-value is(z 0 .99 1 -(-0 .99 z 30 ) the ideal distribution is normal disregarding 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 orbit comparable to p-value is shown in the avocation regard (painted red . The data be statistically significant at train 0 .05e ) It can be concluded from the hypothesis testing 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 exemplification 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 minuteer than 19 inchyugklYUgmen in the sample . Therefore , the sample mean shop term is 8 .1 min . and the sample standard going 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 (painted redd ) Based on the findings in Q14 . a ) finished 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

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