Hi I need help on what is the answer for this multiple choice activity. Explanation is optional. Below are the questions and the format in answering it. Other concerns will be in the comment section and the reference regarding it. I hope that you can help me and surely I will give you a positive feedback
Questions
7:01 0 10: 17.0 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Statistics and Probability Question 20 Not yet answered Marked out of 1.00 Flag question A Type I error is when we fail to reject the null hypothesis when it's false. Select one: O a. TRUE O b. FALSE Previous page Next page + O E7:02 0 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Statistics and Probability Question 21 Not yet answered Marked out of 1.00 Flag question Find the critical values of z given: two tailed test, 8 = 0.05 Select one: O a. + 2.576 O b. + 1.960 O c. + 2.326 O d. + 1.285 + O E7:03 0 10 9:00 KB/S 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Statistics and Probability Question 41 Not yet answered Marked out of 1.00 Flag question If the result of a statistical computation is Haz0, the test is called a Select one: O a. two-tailed test O b. interval O c. unidirectional test d. optional + O E~2:01 6 o 10' this" .. 0 elearningcommonscom You are logged in as Ian Carlo Cosares Statistics and Probability Question 14 Not yet anSWered Marked out of 1.00 V Flag question If the test is twotailed, the critical region, with an area equal to a, will be on the mean's left side. Select one: a. TRUE b. FALSE Previous page 7:02 6 o 10' l2}? .. 0 elearningcommonscom You are logged in as Ian Carlo Cosares Statistics and Probability Question 27 Not yet answered Marked out of 1.00 V Flag question A test is conducted for Ho: p = 40, with o = 9. A sample of size 46 sample mean of 22.4. The test statistic is Select one: if: a. 2.22 b. 13.26 9 c. 0.05 2.1.9 d. 12.34 7:00 0 101 1.00 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Marked out of 1.00 Flag question Find its alternative hypothesis. Ho = There is no significant difference between the quality of services provided by each delivery companies. Select one: a. All of the mentioned O b. There is a significant difference between the quality of services provided by each delivery companies. O c. H1 = 12 = 13 = ... = un O d. The quality of services provided by each delivery companies are the same. + O E7:00 ~ 101 6:00 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares atistics and Probability Question 2 Not yet answered Marked out of 1.00 Flag question Z test for One Population Mean Select one: O a. z=(x-ul)/(o/vn) O b. z= (1 1- 12)/V((012)2+ (022)1) O c. z=(41-12)/V((012) 1+ (022)2) O d. none of the choices + O E7:03 0 KB/S Go all all 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Statistics and Probability Question 37 Not yet answered Marked out of 1.00 Flag question Find the critical values of t given: one tailed test, 8 = 0.01, df = 14 Select one: O a. 1.761 O b. 2.624 O c. 2.332 O d. 1.345 + O E7:01 0 101 6:00 63 elearningcommons.com 20 You are logged in as lan Carlo Cosares Statistics and Probability Question 16 Not yet answered Marked out of 1.00 Flag question Formulate the symbolic form of Ha given Ho = Lisa's average monthly expense is P23500. Select one: a. J # 23500 O b. none of the choices O c. H = 23500 O d. J > 23500 + O E7:01 6 O 10' rst}? .. 0 elearningcommonscom You are logged in as Ian Carlo Cosares QUestion 8 Not yet answered Marked out of 1.00 P Flag question Find its alternative hypothesis. Ho = Maria's average monthly salary is greater than her monthly expenses. Select one: Q a. Maria's average monthly salary is not greater than her monthly expenses. b. Maria's average monthly salary is less than or equal to her monthly expenses. '34-..5' c. All of the mentioned d. Maria's average monthly salary is greater than or equal to her monthly expenses.
