The data you will use for this question are from the Bureau of Labor Statistics Job Openings and Labor Turnover Survey(Links to an external site.).Get the data here (jlt_firmsize_sa.xlsx).

On the second sheet (aka tab) which is titled "Hires" you willfind the monthly hires (how many people companies hired in the US) reported by the BLS. Use all the data for 2001-2016 in the "All Firm Sizes" column. WARNING this does not include the December2000 entry. WARNING you should have a total of 192 observations.

Calculate thelower boundfor a 90% confidence interval for the mean hires. WARNING in this problem you are using EXCEL soget the exact t value using excel, do not approximate using the t table.