A study was conducted to evaluate the hypothesis that tea, Ask an Expert

Statistics

A study was conducted to evaluate the hypothesis that tea consumption and premenstrual syndrome are associated. A group of 188 nursing stu- dents and 64 tea factory workers were given questionnaires. The preva- lence of premenstrual syndrome was 39% among the nursing students and 77% among the tea factory workers. How many people in each group have premenstrual syndrome? Arrange the data in a 2 x 2 table.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91623874

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Consider the distribution of 17 numbers Consider the distribution of 17 numbers:

Consider the distribution of 17 numbers: 6,9,11,19,23,27,29,36,41,43,47,50,51,55,58,63,67 A distribution of medical data is Normal with Mean of 40 and Standard Deviation of 10; that is N(40,10) a. Betty's score is 5.17. ...

A population has a mean of 150 and a standard deviation of

"A population has a mean of 150 and a standard deviation of 21. If a random sample of 49 is taken, what is the probability that the sample mean is between 152.5 and 157.5 using z scores?"

Leprosy also called hansens disease is a disease produced

Leprosy, also called Hansen's disease, is a disease produced by infection with a bacterium called Mycobacterium leprae. It has a long incubation period (time between getting infected and developing the disease), usually ...

The speed of cars on a stretch of road is normally

The speed of cars on a stretch of road is normally distributed with an average 42 miles per hour with a standard deviation of 5.9 miles per hour. What is the probability that a randomly selected car is violating the spee ...

What steps do i take to calculate suppose x has a

What steps do I take to calculate "Suppose x has a distribution with a mean of 40 and a standard deviation of 28. Random samples of size n = 64 are drawn. (the - next to the x indicates that the - is over the x in the qu ...

Calculating project ocfsummer time inc is considering a new

Calculating Project OCF. Summer Time, Inc. is considering a new 3-year project that requires an initial fixed asset investment of 3.9 million. The fixed asset will be depreciated straight line to zero over its three-year ...

You have two investments that either make money or lose

You have two investments that either make money or lose money. Each one has a 60 percent chance of making money, and a forty percent chance of losing money. There is a 30 percent chance that both investments make money. ...

What statistic was calculated to determine differences

What statistic was calculated to determine differences between the intervention and control groups for the lumbar and femur neck BMDs? Were the groups significantly different for BMDs?

Basic statisticsactivity 1define the following terms1

BASIC STATISTICS Activity 1 Define the following terms: 1. Statistics 2. Descriptive Statistics 3. Inferential Statistics 4. Population 5. Sample 6. Quantitative Data 7. Discrete Variable 8. Continuous Variable 9. Qualit ...

John plans to take three suits on his business trip if john

John plans to take three suits on his business trip. If John owns 8 suits, how many ways can the 3 suits be selected?

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