Statistics questions Assignment Example | Topics and Well Written Essays - 1500 words

Statistics questions - Assignment Example(a) From the box plot and the display board presented, it is evident that the most disadvantaged group exhibits the most variability in employment scale. An evaluation of the stripped and maximum value says it all. Similarly, the standard deviation backs the conclusion. It is evident that the minimum and maximum values for the least deprived and most deprieved are 1681, 3811 and 5000, 90780 respectively. The standar deviation for the least deprieved group was 649.67 while that for the most deprieved group was 20,388.(b) Measure of cardinal tendancy are functiond to give readers an overview about the data. In this paper, there is a huge difference among the mean and median for the most deprived group. This can be explained by the fact that there are outliers at both side, too large data and too small data. In order to trounce represent the center of the employment scale values for the most deprived group, I will use mean since the data is derived from a large sample size.(c) Based on the findings above where the calculated t is in the acceptable region the null hypothesis is accepted at 5.0% level. Therefore, the percentage of adults supporting the health care law at the end of March is significantly higher than the percentage who supported the law in November(d) There are a number of factors that contribute to significant changes in the findings of research that study the analogous issue using data from a sample derived from the same population. In this case, it was established that there was a conflicting conclusionarrived by two major polls. The major explanation can be on the articulate used on questions to collect the relevant data. The AP-GfK poll provided respondents with three options support, oppose and neither support nor oppose. The some other poll provided respondents with only two option, oppose and support. This usually gives different data hence findings. More importantly, the measure is another significant factor. Polls conducted before a