Does german measles have a significant effect on iq

Assignment Help Applied Statistics
Reference no: EM13922375

Question:

IQ scores from the general population form a normal distribution with a m = 100 and s = 15. However, data indicate that children's intelligence may be affected if their mothers have German measles during pregnancy.

Using hospital records, a researcher obtained a sample of n = 25 school children whose mothers all had German measles during their pregnancies. The average IQ for this sample was x? = 94.

Do these data indicate that German measles have a significant effect on IQ? Test with alpha=.05.

Reference no: EM13922375

Questions Cloud

Discuss the history of social psychology : Discuss the history of social psychology and describe the critical role this field of study has played in helping us to understand the thoughts, feelings, and behaviors of individuals throughout its evolution. Which key research developments have ..
What were the causes of the incident : What issustainability? Describe howLCA(Life Cycle Assessment) helps in developing environmental friendly products?
What are the implications of the price escalation : What are the implications of this price escalation with respect to order size? What factors other than price must be taken into consideration?
Find or prepare the price earnings ratio : Find the financial statements for a publicly traded company, and examine its financial statements from the perspective of a potential investor. Find or prepare the price/earnings ratio, the dividend payout ratio, the dividend yield, book value
Does german measles have a significant effect on iq : IQ scores from the general population form a normal distribution with a m = 100 and s = 15. However, data indicate that children's intelligence may be affected if their mothers have German measles during pregnancy.
Find the financial statements of a publicly traded company : Find the financial statements of a publicly traded company and review its statement of cash flows. Of the company's cash flows from operating activities, investing activities
Role of attributions in our social world : Reflect on the relationship between personal attitudes and resulting behaviors, using the Theory of Planned Behavior, Cognitive Dissonance Theory, and Self-Perception Theory as your references. If someone has a negative attitude toward a particul..
Preble company manufactures one product : Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit
Draw a tree diagram and organize all the information : The probability that her ?rst ?ight leaves on time is 0.15. If the ?ight is on time, the probability that her luggage will make the connecting ?ight in Montreal is 0.95, but if the ?rst ?ight is delayed, the probability that the luggage will make ..

Reviews

Write a Review

Applied Statistics Questions & Answers

  A local ice-cream store receives an average of 3 customers

A local ice-cream store receives an average of 3 customers per hour. Assume that the arrival events are well described by Poisson distribution. The cashier wants to leave the store to run an errand. The manager computes the expected time T between..

  An engineering research center claims

An engineering research center claims that through the use of a new computer control system, automobiles should achieve, on average, an addition 3 miles per gallon of gas. A random sample of 100 automobiles was used to evaluate this product

  A random sample consisted of 36 patients

Calculate the 90% confidence interval for the population mean of health men's pulse (sphygmus) in mountainous area.

  An alternative group of friends or contacts

State the number of friends (or connections) that you have on Facebook (or Linkedin). In case you have more than 365 friends on the social media, think of an alternative group of friends or contacts. What is the chance that there are at least 2 peopl..

  Difference between a normal distribution and a binomial dist

Explain the difference between a normal Distribution and a binomial distribution. How do we know which one to use?

  Cars arrive at a car wash randomly and independently

Cars arrive at a car wash randomly and independently; the probability of an arrival is the same for any two time intervals of equal length. The mean arrival rate is 15 cars per hour. A) What is the probability that 12 or more cars will arrive during..

  How quickly people are served

The Burger corporation is looking at its fast-food franchises and in particular is interested in how quickly people are served. In one restaurant, where it receives most of its complaint, an analysis reveals the following. The attendants can serve, o..

  Scores on the math sat exam

Suppose that scores on the Math SAT exam follow a Normal distribution with mean 500 and standard deviation 100. Two students that have taken the exam are selected at random. What is the probability that the sum of their scores exceeds 1200?

  Prepare a report using the numerical methods

Prepare a report using the numerical methods of descriptive statistics presented in this module to learn how the variables contribute to the success of a motion picture.

  Maximize the revenue from the load carried

Maximize the revenue from the load carried

  Find a confidence interval for the proportion of camera

Find a 95 percent confidence interval for the proportion of all digital camera customers who have purchased the new warranty. Are we 95 percent confident that this proportion exceeds .20?

  An airline is deciding how many reservations to accept

An airline is deciding how many reservations to accept for a new flight from Indianapolis to Chicago. The plane has a capacity of 200 seats.  Because only 90 percent of passengers typically show up for this flight, they need to determine how many tic..

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