Question 1

The population mean monthly starting salary for fresh Polytechnic graduates was found to be $2,100. LIVINGSTONE had conducted a separate mini survey during the recentGraduation Ceremony 2021 and gathered 38 data (in Table 1) on the monthly starting salary (in $) as follows:

2300	2200	2100	2150	2050	2150	2290	2050
2010	2350	2000	2210	2300	2230	2300	2180
2350	2290	1990	2400	2100	2150	2160	2200
2200	2100	2100	2350	2050	2280	2450	2100
2210	2110	2150	2200	1990	2150

In addition to the 38 data provided, you will need to contact another TEN (10) friends who have graduated from Polytechnics and find out their monthly starting salary. Add the 10 data gathered to form a dataset of 48 data in Table 1.

Using the sample size of 48 data, construct a 95% confidence interval of the population mean monthly starting salary (Please show all necessary formulae, workings and Excel outputs). Based on the 95% confidence interval constructed, comment and validate on the VALIDATION POINT A as stated in the case. Assuming you are a job seeker in the year 2022, comment on how you can make use of this data to better your chance in securing a job.

**YOU CAN FILL THE EMPTY TABLE SPACES AS YOU DEEP FIT TO ANSWER PLEASE TUTOR**