Blackboard Learn X DO IDEAS X C Blackboard Learn X 00 IDEAS E X SOLVED: The annual rainfall in a X C ideas.humber.ca/assess2/?cid=282&aid=7739#/skip/1 N Update Apps Instagram Maps M Gmail YouTube my lab it business blackboard T textidium BUSS SUMMER & BUSS SUMMER M... blackboard tophat Reading List Quiz 9 - Confidence Intervals Progress saved Submit and End & Voce Score: 0/30 0/12 answered . Question 1 0/3 pts 9 3 0 Details A study of North York University students showed the mean age of all students in the first year of university to be 20.2 years old with a standard deviation of 1.15 years. A randomly selected subgroup of these first year students also averaged 20.3 years in age with a standard devaition 1.16 years. a) Are the numbers 20.2 and 1.15 statistics or parameters? Explain. The numbers are parameters because the numbers were calculated for a sample of North York University students and are therefore estimates. The numbers are statistics because the numbers were calculated for a sample of North York University students and are therefore estimates O The numbers are statistics because the numbers were calculated for all North York University's first year students. The numbers are parameters because they were calculated for all North York University's first year students. b) Are the numbers 20.3 and 1.16 statistics or parameters? Explain The numbers are statistics because the numbers were calculated for a sample of North York University students and are therefore estimates. The numbers are parameters because they were calculated for all North York University's first year students. O The numbers are statistics because the numbers were calculated for all North York University's first year students. The numbers are parameters because they were calculated for a sample of North York University students and are therefore estimates. c) Select any correct pair of label and value below: Ou = 20.2 and s = 1.16 Ou = 20.3 and s = 1.16 Ox = 20.2 and s = 1.15 Ox = 20.3 and o = 1.15 Ox = 20.2 and o = 1.15Blackboard Learn X DO IDEAS X C Blackboard Learn X 00 IDEAS E X SOLVED: The annual rainfall in a x C ideas.humber.ca/assess2/?cid=282&aid=7739#/skip/2 N Update : Apps Instagram Maps M Gmail YouTube my lab it business blackboard T textidium BUSS SUMMER BUSS SUMMER M... blackboard T tophat Reading List Home > BSTA200-D8A F2 Quiz 9 - Confidence Intervals Progress saved Submit and End & Voce Score: 0/30 0/12 answered . Question 2 0/2 pts 9 3 0 Details The confidence interval for the population mean is often presented as Lower Limit BSTA200-D8A F21 > Assessment Quiz 9 - Confidence Intervals Progress saved Submit and End & voce Score: 0/30 0/12 answered . Question 3 0/3 pts 9 3 0 Details For each confidence level in the table below, determine the right-tail area (a/2) and the corresponding critical z-value (Za/2) Report right-tail area as decimal (not percent) accurate to 4 decimal places. Report (positive) critical values accurate to 2 decimal places. Confidence Level | Right Tail Area (a/2) Critical Value (Za/2) 76.2% 90.9% 99.7% The results show that the larger the confidence level, the [Select an answer v ] the tail area, and the [Select an answer v the critical value. Question Help: D Video Check