A sample of 25 undergraduates reported the following dollar, Ask an Expert

Statistics

A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:

690 686 714 738 682 751 724 713 763 703 703 711 771
719 691 715 752 717 750 703 720 772 743 739 744

Use the Empirical Rule to establish an interval which includes about 95 percent of the observations.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9418992

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Ralph and gina attend differed schools but each have a gpa

Ralph and Gina attend differed schools, but each have a GPA of 3.2 The GPA's at each score follow a normal distribution. Ralph's school has a mean GPA of 2.7 and a standard deviation of .25. Gina's school has a mean of 3 ...

A bottle of water is supposed to have 12 ounces the

A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...

32 of college students say they use credit cards because of

32% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number ...

The bold and italics portion is as far as ive gotten with

The bold and italics portion is as far as I've gotten with the equation. Help me finish? And am I on the right track? A survey showed that 1200 of the 1600 adult respondents believe in global warming. (a) Construct a 95% ...

A sample of 175 randomly selected students found that the

A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.

A stat 200 instructor wants to know if students tend to

A STAT 200 instructor wants to know if students tend to score differently on the lesson 4 and 5 quizzes. Data were collected from a representative sample of 60 students during the Summer 2018 semester. Data were paired b ...

Consider the study of two insect populations at two

Consider the study of two insect populations at two experimental stations. At station A, the egg hatch rate (computed from a set of 100 eggs at a time) is known to follow approximately a normal distribution with mean 62% ...

If material hardness is normally distributed with a mean of

If material hardness is normally distributed with a mean of 42 and a standard deviation of 1. Specification limits for hardness are from 35 to 45. When the fraction defective is 0.0017 what is the corresponding PPM?

A business analyst in the washington dc area looked at the

A business analyst in the Washington, D.C. area looked at the following Christmas 2016 and 2017 toy sales in Metro D.C. Six toy stores were were contacted and shared the following information where x is 2016 sales and y ...

The mean throwing distance of a football for a luis a high

The mean throwing distance of a football for a Luis, a high school freshman quarterback, is 50 yards, with a standard deviation of three yards. The team coach tells Luis to adjust his grip to get more distance. The coach ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert