Descriptive Statistics Essay Example | Topics and Well Written Essays - 500 words

Descriptive Statistics - Essay Example In simple words, the results are not accurate because the last patient’s survival of 45 weeks is an exceptional entry that has alone a considerable impact on measures of central tendency in this study. Recall that the standard deviation defines an area below and above the mean about which it is expected that a majority of the scores will fall. The researchers; therefore, would be required to submit another set of results on 12 new entries to estimate the mean and central tendency measures. Additional money to researchers will then be granted if they come up with satisfactory results. Research Hypothesis Null Hypothesis: H0 - ? = 9.6 Alternative Hypothesis: Ha = ? > 10 The original claim is that the mean number of weeks that a prostate cancer patient lives after receiving a confirmed diagnosis of being in stage 4 is 9.6. Whereas, the new case study considers that it is above 9.6; therefore, there is need to conduct a statistical test of single average. Test Statistic Variables The independent variables include the age of cancer patients, financial situation of participants etc. The dependent variables may include medical checkups and patients’ personal care. Selection, Problems and Ethical Issues The cancer patients in stage 4 will be selected randomly without identifying their forecasted survival life in weeks by doctors and medical representatives. Indeed, this is an attempt to avert any possibility of biases in the study.