Estimate z-score and raw score using normal distribution

Assignment Help Basic Statistics
Reference no: EM1317227

Suppose that an experimenter administer a word recall task to groups of freshman, sophomores, juniors, and seniors. Fill in the table below. Compute the score based on their appropriate class means and standard deviations: 

Group

Mean

Standard Deviation

Freshman

24.95

1.68

Sophomores

22.62

1.43

Juniors

23.47

1.98

Seniors

25.64

1.23

 

 

Raw Score

Z -score

Jim (freshman)

22

 

Tommy (sophomores)

 

-1.3

Peter (Junior)

 

1.45

Colleen (senior)

24


Reference no: EM1317227

Questions Cloud

Computing population mean and population standard deviation : Suppose these data represent whole population. Determine the population mean and population standard deviation.
Organization to consolidate servers : Utilizing any organizational model from your experience and or research, describe the pros and cons of this organization in order to consolidate the servers and to relocate the primary data centers.
Explain what action should the company president take : Explain What action should the company president take and should the order be accepted if the Executive Division plans on selling the desks in the outside market for $420
Relationship between diamond and gdp : Examine the variable "diamond." What does this measure? How do you think this variable will relate to GDP per capita and GDP growth?
Estimate z-score and raw score using normal distribution : Compute the score based on their appropriate class means and standard deviations:
Determining the probability using poisson distribution : Number of rescue calls received by rescue squad in city follows a Poisson distribution with mu = 2.83 per day. Squad can handle at most four calls a day. Determine the probability that squad will be able to handle all calls on a particular day?
Explaining the 4g lte : In January 2012, Verizon stated that the 4G LTE is available in the 190 cities covering around 200 million American subscribers. In accordance with the AT&T’s Website.
Calculate the present worth of future cash flow : How long will this product be profitable?  All the above estimates are in constant value dollars so that inflation has been accounted for.  If the interest rate is 12%, what is the PW of this product?
Calculate the atomic weight of copper : By Solving this problem  student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -

Reviews

Write a Review

Basic Statistics Questions & Answers

  Explain the trend in the export of fish

Draw two pie charts, which allow the total yearly exports to be compared. Explain the trend in the export of fish as shown in the two pie charts.

  Assume all the possible random samples

If we assume all the possible random samples of 250 students at this university, 95 percent of the samples should have means among what two numbers.

  Evaluate the sum of the ranks for additive

One characteristic of billiard balls is their elasticity - the bounce they get when striking one another. A manufacturer of billiard balls is testing three additives to the basic plastic.

  Elements of inferential statistical analysis

Name three elements of the inferential statistical analysis.

  Expected value and probability values

How much would ING be willing to pay if the General Counsel could arrange for an absolutely reliable mock trial?

  Evaluate the t statistic for testing contrast

The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast

  Confidence interval for the true population mean

To find the 95 percent confidence interval for the true population mean. From the results below, is it true that 95% of the sample means will fall

  Average number of putts per round

Based on these results, the proportion of the variation in 1993 winnings that is explained by the average number of putts per round and driving distance

  World record time in the marathon

The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.

  Nonparametric tests utilization

When the non-parametric statistics utilized? Write down an example.

  Find out probability values from discrete distribution

A consumer organization estimates that over a 1-year period 17 percent of cars will require to be repaired once, 7 percent will need repairs twice, and 4 percent will require three or more repairs. What is the probability that a car chosen at rand..

  Use the binomial distribution formula to calculate

Privacy Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and Internet are reducing privacy. A survey conducted by Peter D.

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