Answer: (11.95, 14.11)
Explanation:
Let x be a random variable that represent the number of years of education.
Given: Sample size : n= 26
Sample mean : 
Sample standard deviation : s = 3.22
Significance level : 
Degree of freedom: df = n-1 = 25
Critical t-value for 
and df = 25 will be
90% confidence interval for mean:
A 90% confidence interval for the mean number of years of education = (11.95, 14.11)
Maybe not get rid of, but it would definitely be a good idea to put aside old textbooks and things like that.
Answer:
Explanation:
Visual aids add impact and interest to a presentation. They enable you to appeal to more than one sense at the same time, thereby increasing the audience's understanding and retention level. With pictures, the concepts or ideas you present are no longer simply words - but words plus images.
Parents can promote good choices from a young age to prevent you from having struggles in your life, parents also just being there is not just good mentally but emotionally,having parents at home to love and support you through out your life is a burden less that you struggle with and a good push in the right direction
