What is the variance of stanford-binet iq scores

Assignment Help Basic Statistics
Reference no: EM131719414

Question: Scores on the Stanford-Binet IQ test have a bell-shaped distribution with mean = 100 and standard deviation = 16.

a. Use the Empirical Rule to specify the intervals into which 68%, 95%, and 99.7% of Stanford-Binet IQ scores fall.

b. Draw a picture similar to Figure illustrating the intervals found in part (a).

c. What is the variance of Stanford-Binet IQ scores?

1387_Empirical Rule.jpg

Reference no: EM131719414

Questions Cloud

Find the value of the range for the exam scores : The scores on the final exam in a course with a large number of students have approximately a bell-shaped distribution.
Define housing and maintaining its fleet of ambulances : a hospital buys a parcel of land near its main campus to build a facility for housing and maintaining its fleet of ambulances
Prepare an executive summary presentation of your project : Prepare an executive summary presentation of your project. It should summarize the final project so it can be presented to the board of a particular company.
Cost of opening the new branch and remaining open : He also expects to generate $150,000 per year in revenue. What is the total cost of opening the new branch and remaining open for one year?
What is the variance of stanford-binet iq scores : Scores on the Stanford-Binet IQ test have a bell-shaped distribution with mean = 100 and standard deviation = 16.
Discuss medical-industrial complex : Compare the structure and financing of today's "medical-industrial complex" to your mental image of the nineteenth- and early twentieth-century hospital
Explain why rankings are given to employees : Importance of Performance Appraisals: Explain why rankings are given to employees and the advantages and disadvantages of including rankings
Producing a new knowledge or radical innovation : If company is highly market-oriented, can it also be highly innovative (or capable of producing a new knowledge or radical innovation)?
Few examples of new public management : Give a few examples of new public management in canada which were not successful?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Fell in the various combinations of categories

Consider the accompanying 2 x 3 table displaying the sample proportions that fell in the various combinations of categories (e.g., 13% of those in the sample were in the first category of both factors

  What percentage of estimated who approve of human cloning

The pollsters can be 95% confident that the true proportion of adults who approve of human cloning is within what percentage of the estimated 11.7%?

  Least squares trend line to merger data

Fit a least squares trend line to the merger data. What type of trend (linear or curved) might best fit to this time series? Compute the forecast for year 20 based on the trend (linear or curved) that best fits the data?

  Impact of credit crisis on risk of financing

Impact of Credit Crisis on Risk of Financing Homewood Co. commonly finances some of its U.S. expansion by borrowing foreign currencies (such as Japanese yen) that have low interest rates.

  The total area under the density curve

The current in a certain circuit as measured by an ammeter is a continuous random variable X with the following density function:

  Annual tax obligation

What will be your annual tax obligation when you withdraw the funds for the next 15 years if your funds continue to earn 6%?

  The access code for a security system consists of five

a the access code for a security system consists of five positions. the first position can be any letter 26 while each

  State the appropriate null and alternative hypotheses in

reconsider the previous problem about the age of a college students mother when the student was born. now suppose you

  How many persons with business degree are better salesperson

Using the 1% significance level, can you conclude that persons with a business degree are better salespersons than those who have a degree in another area?

  Probability that the jockey weighs more than 53 kg

What is the probability that the jockey weighs more than 53 kg?- What is the probability that the jockey weighs between 50 and 54 kg?

  What decision should be made by optimist for inventory costs

Lakewood fashions must decide how many lots of assorted ski wear to order for its 3 stores.Information on pricing, sales and inventory costs has led to the following payoff table,in thousands.

  What is the p- value and what do you conclude

Instead of testing for some effect (for better or worse), suppose we want to test the claim that astemizole is effective in preventing motion sickness? What is the P- value, and what do you conclude?

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