Create frequency distribution for ages strokes due to stress

Assignment Help Basic Statistics
Reference no: EM13110056

Medical research team studied the ages of patient who had strokes caused by stress. Ages of 34 patients who suffered stress strokes were given below 29, 30, 36, 41, 45, 50, 57, 61, 28, 50, 36, 58, 32, 55, 40, 61, 46, 58, 32, 40, 47, 36, 38, 60, 61, 56, 45, 46, 62, 36, 38, 40, 50, 27. Create frequency distribution for these ages. Use 8 classes beginning with the lower class limit of 25.

Reference no: EM13110056

Questions Cloud

Average cost of books per student last semester : At a certain university, the average cost of books per student was $330 per student last semsester. In a sample of 50 students this semester, their average cost was $355 with a standard deviation of $85.
Estimating the proportion of ptc : PTC is a substance that has a strong bitter taste for some people and is tasteless for others. The ability to taste PTC is inherited. About 75% of Italians can taste PTC
Determine the level of reliability : An engine system consists of three main components in a series, all having the same reliability. Determine the level of reliability required for each of the components if the engine is to have a reliability of 0.998.
Technology and organizational behavior : Select an industry with which you are familiar. Predict how future technology will inform, support, and potentially hinder productivity, culture, and work satisfaction within an organization in the industry.
Create frequency distribution for ages strokes due to stress : Medical research team studied the ages of patient who had strokes caused by stress. Ages of 34 patients who suffered stress strokes. Create frequency distribution for these ages.
Determine the maximum queue lengt : You are to simulate arrivals and departures from a fictional airport with a single runway which has a capacity of handling a total 6 aircraft at once (any mix of takeoffs and landings).
Hypothesis testing of mean-sleep per night : According to a recent survey, Americans get a mean of 7 hours of sleep per night. A random sample of 50 students at West Virginia University revealed the mean number of hours slept last night was 6 hours and 48 minutes
Business plan that highlights financial, marketing aspects : Imagine that you are beginning the very first social networking site, fast-food restaurant, or pizzeria, and develop a brief business plan that highlights the financial, marketing, and organizational aspects.
Hypothesis testing of varaiance-cereal box filling weight : The filling weight for boxes of cereal is designed to have a variance .02 ounces or less. A sample of 41 boxes of cereal shows a sample standard deviation of .16 ounces.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sampling distribution of mean score

The sampling distribution of mean score is approximately Normal. It has mean. What is its standard deviation?

  Two-sided test and significance level

The expected peak expiratory flow rate in adults is 300 with a standard deviation of 50. how many subjects should be enrolled to ensure 80% power to detect a difference of 15 liters per minute with a two-sided test and significance level of 0.05?

  Linear optimization spreadsheet model

What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?

  Derive an expression for the coefficient of skewness

Explain the effect that changes in η and β have on the shape of the Weibull density and the effect that they have on γ3 and derive an expression for the coefficient of skewness for the Weibull distribution.

  Estimating population and standard mean

Suppose the population standard deviation is a=25. (The a is actually the funny looking 0 with the line that goes from the top right up at an angle) Compute the standard error of the mean

  Point estimate of the population mean

The 2006 General Social Survey asked, "what do you think is the ideal number of children for a family to have?" The 1097 females who responded had a median of 2, mean of 3.16, and a standard deviation of 1.91.

  Ways to select jury of twelve people

From Group of 40 People, a jury of 12 people is selected. In how many various ways can a jury of 12 people be selected?

  Variance of poisson random variable

The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?

  Explanation to confidence interval-sample size

Previous studies have indicated the standard deviation of annual earnings for college students is $850. How large a sample would need to be taken to estimate the mean for college students' annual earnings to within $200 with 99% confidence?

  Mean for eight families registering for swimming

The number of children, x, belonging to each of eight families registering for swimming was 2, 2, 2, 4, 2, 1, 2, 2. Find the mean, x. (Give answer correct to 2 decimal places.)

  Determining shape of chi-square distribution

Determine the shape of chi-square distribution?

  Number of coffee drinks per day

Among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. assume the number of coffee drinks per day follows a normal distribution.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd