The 2012 general Social Survey asked a large number of

Last updated: 1/6/2023

The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day The mean number of hours was 4 5 with a standard deviation of 2 6 Assume that in a sample of 53 teenagers the sample standard deviation of daily TV time is 2 1 hours and that the population of TV watching times is normally distributed Under 1 significance level can you conclude that the population standard deviation of TV watching times for teenagers is the same as 2 6 Procedure Select an answer Assumptions select everything that applies O Sample size is greater than 30 O Population standard deviation is unknown O Population standard deviation is known O Simple random sample O The number of positive and negative responses are both greater than 10 Normal population Question Help Video Written Example