Dhsbsusjsjsshdix

QUESTION 6 Find a 95% confidence interval to estimate for the population mean u if o = 41.4 and for a sample of n = 35 and X = 210. 198.49 2 1 3 r 4 E 5 0 8 AThere is a strong linear correlation linear regression between the advertising expenditures, X (Dh1000s) and the revenue (Dh1000s) as following: Y = 98.781 + 1.548X The value 98.781of the Y-intercept in the equation can be interpreted as As advertising is increased by 1.548 Dhs, sales are expected to increase by 98.781 Dhs. As advertising is increased by 1,000 Dhs, sales are expected to increase by 98,781 Dhs. When nothing is spent on advertising, the sales are expected to reach 98,781 Dhs. . The variation of the amounts of the sales and the advertising expenditure is 98.781%. QUESTION 3 According to a news media, the mean monthly salaries of IT workers in Dubai is at least AED 27,000. If you decide to test this claim, how would you write your null and alternative hypotheses? Ho: H = 27,000 H1: H # 27,000 Ho: H 2 27,000 H1: H 27,000 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Sa F1 F2 GO F3 F4 F5 F6 F7 FB E # $ % * 2 1 3 r 4 E 5 0 8 A0.0928 0.9898 QUESTION 5 Employees at a construction company claims that the mean salary of the workers in her company is more than Dh12,000. If you tested this claim and rejected the Ho, this conclusion means that The mean salary cannot be more than Dh 12,000 there is not sufficient evidence to conclude that the mean salary is more than Dh12,000 there is sufficient evidence to conclude that the mean salary is more than Dh12,000 There is a sufficient evidence to conclude that the mean salary is less than Dh12,000 QUESTION 6 Find a 95% confidence interval to estimate for the population mean u if o = 41.4 and for a sample of n = 35 and X = 210. 198.49