Determining variance and standard deviation

Assignment Help Basic Statistics
Reference no: EM1391311

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

What is the expected number of admissions for the fall semester?

Compute the variance and the standard deviation of the number of admissions.

Admissions Probability

1,000 .6

1,200 .3

1,500 .1

Reference no: EM1391311

Questions Cloud

Write the difference between revising and editing : Write down the difference between revising and editing? Which must be done first and why? Is it significant to be objective when receiving feedback?
Probability that between two-six people want hot peppers : Elly's Hotdog Emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 15 customers are selected at random. What is the probability that between two and six people..
What should be the marketing managers goal : When customers are dissatisfied illustrate what is likely to happen? Illustrate what should be the marketing manager's goal(s) for dealing with dissatisfy customers?
How service works effectively with culturally diverse client : Strategies utilized by children's services and educators to work efficiently with culturally diverse client and co-worker in children's services environment.
Determining variance and standard deviation : The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.
If an action is ethical from an outcome-based perspective : Does this baseball batting average analogy in the context of the psychological phenomena hot hand fallacy? If an action is ethical from an outcome-based perspective, it is always ethical from a duty-based perspective?
What federal funds rate should the fed now set : Suppose that a year has gone by, output is now just 1% above potential, and the inflation rate 1.5% over the year. What Federal funds rate should the Fed now set
Type of cyst in a patient : After researching cysts of a particular type, a doctor learns that out of 10,000 such cysts examined, 1,500 are malignant and 8,500 are benign. A diagnostic test is available which is accurate 80% of the time (whether the cyst is malignant or not)..
Illustrate what is the difference ytm and its ytc : Assume which the yield curve is horizontal, with rates expected to remain at current levels on into the future. Illustrate what is the difference among the bond's YTM and its YTC?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Concept of law of averages

if you sample 100 people and 20 turn out to be over 65 inches tall, you get $20. Which is better: a sample of size 100 or a sample of size 1,000? Choose one and explain. Does the law of averages relate to the answer you give?

  Evidence of a difference in the variability

At the .05 level of significance, is there evidence of a difference in variability in the shipping time between the two outlets? What decision should the carpet manufacturer make?

  Critical t-value associated with confidence level

We wish to create this mean value interval for selling price with 95% confidence level. Find out the best point estimate (average) for selling price. Critical t-value(s) associated with 95% confidence level.

  Find the greatest standard deviation

What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws and find the greatest standard deviation,

  Determining probability-person will buy monthly gasoline

Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.

  Computing the correlation coefficient for given data

One of the most important uses of a correlation is its potential use in_________

  Homogeneity of variance assumption test

How do we decide if the homogeneity of variance assumption is significantly violated?

  Using crosstabs for chi-square

The first step in this assignment is to provide SPSS with the  Value Labels  for the values in LOCALE97.

  Demonstrating the effectiveness of the drug

To demonstrate the effectiveness of the drug, a researcher selects a sample of n = 25 children diagnosed with the disorder and measure each child's attention span before and after taking the drug.

  Probability of choosing supreme chocolate

What is the probability that at least three students choose Supreme Chocolate?

  Fitted regression equation

(a) Write the fitted regression equation, (c) What is your conclusion about the slope.

  Histogram and stem-and-leaf display for each variable

For following set of scores, prepare a frequency distribution, a histogram, and a stem-and-leaf display for each variable. Also calculate the mean, the median and the standard deviation of each score.

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