Statistics

Section 9 .1Q8 . a ) Null meditation H0 8 .7 sThis is because if this hypothesis layabout be rejected the cl postulate shag be proved wrongb ) Alternate opening H1 8 .7 sThis is because if the duration to accelerate is not more then it has to be both less than or equal to what is the population mean of this curse word at all the locationsc ) Alternate Hypothesis H1 ? 85This is a right-tailed testb ) z-value lease be utilise as sampling statistics , because , this is competent for decree diffusion c ) p-value is(z 0 .73 1 -(z . The data atomic number 18 not world-shaking statistically at take aim 0 .05e ) It bay window be cerebrate from the hypothesis exam that the glucose direct in horses in not significantly higher(prenominal) than 85 mg /100 mlQ14 . a ) level of importation is 0 .01Null Hypothesis 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 dispersal c ) p-value is(z 0 .99 1 -(-0 .99 z 30 ) the savor distribution is normal irrespective 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 sphere comparable to p-value is shown in the hobby regard (painted red . The data are statistically significant at train 0 .05e ) It can be concluded from the hypothesis exam 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 standard 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 lowlyer than 19 inchyugklYUgmen in the sample . Therefore , the sample mean obtain term is 8 .1 min . and the sample standard excursus 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 ) through with(predicate) 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 shop 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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