Test for a Single Mean Example 10: Laptop Computers and Sperm Count Men hoping to have children are encouraged to avoid hot tubs or saunas, because heating the scrotum by just 1°C can reduce sperm...

Test for a Single Mean

Example 10: Laptop Computers and Sperm Count

Men hoping to have children are encouraged to avoid hot tubs or saunas, because heating the scrotum by just 1°C can reduce sperm count and sperm quality. A new study indicates that men might want to also avoid using a laptop computer on their lap for long periods of time. In the study, 34 men sat with for an hour with a laptop computer on their lap. Mean temperature increase was 2.31°C with a standard deviation of 0.96°C. Test to see if we can conclude that the average temperature increase for a man with a laptop computer on his lap for an hour is above the danger threshold of 1°C.   Show all details of the test.