Students estimated the length of one minute without reference to a watch or​ clock, and the times​ (seconds) are listed below. Assume that a simple random sample has been selected. Use a 0.05 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one​ minute?
68
83
39
63
42
22
61
64

65
49
64
71
98
91
66
Question content area bottom
Part 1
Perform the test assuming that the requirements are met. Identify the null and alternative hypotheses.
Upper H 0​:
mu
equals
  
60
Upper H 1​:
mu
not equals
  
60
​(Type integers or decimals. Do not​ round.)
Part 2
Identify the test statistic.
  
enter your response here
​(Round to two decimal places as​ needed.)