Instructions: Fill in the required information on the blanks provided after each question. Use the t-table provided in the module to solve for critical values. If the test is two-tailed, write '+-' before the values to denote i,e. if the critical values are t=-1.098 and t=1.098, simply write +-1.098. For numerical answer, round up to three decimal places
Men spend an average of 30 minutes per day on weekends and holidays exercising and playing sports. A random sample of 20 men resulted in a mean of 34 minutes exercising with a standard deviation of 6 minutes. At a = 0.05, is there sufficient evidence that these results differ from the national mean?
1. The critical value for the t-test is t=
2. The value of the t-test statistic obtained from the sample is t=
3. (Write R to Reject Ho, or N to NOT Reject Ho) The Decision therefore is to
4. (Write Y for Yes, or N for No) Is there enough evidence to support the claim?
Men
spend an average of 29 minutes per day on weekends
and holidays exercising and playing sports. They spend
an average of 23 minutes per day reading. A random
sample of 25 men resulted in a mean of 35 minutes
exercising with a standard deviation of 6.9 minutes and
an average of 20.5 minutes reading with s 7.2 minutes.
At a 0.05 for both, is there sufficient evidence that
these two results differ from the national means?
2 answers
ddend