User Account

All Pages

A random sample of 90 students at a private high school is

Assignment Help Basic Statistics
Reference no: EM13584550

A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is obtained. The average score for public high school student is 1000 (σ= 200).

a. Is this a one- or two tailed test?

b. What are H0 and Ha for this study?

c. Compute Z obt

d. What is the Z critical value (Z cv ) using a 0.05 alpha level?

e. Should H0 be rejected? What should the researcher conclude?

f. Determine the 95 % confidence interval for the population mean, based on the sample mean.

Reference no: EM13584550

Questions Cloud

The human resources department believes that women tend to : data were collected on annual personal time in hours taken by a random sample of 16 women and 7 men employed by a
Pq and r are partners sharing equally 111 they decided : pq and r are partners sharing equally. 111. they decided that in future r will get 15 share in profits. on the day of
Xy and z are partners sharing profits in 432in future they : xy and z are partners sharing profits in 432in future they wanted to share profits equally.on that datetheir boos shows
How will you be able to visibly detect the oxidation proces : how will you be able to visibly detect the oxidation proces of benzyl alcohol to
A random sample of 90 students at a private high school is : a researcher is interested in whether students who attend private high schools have higher average sat scores than
When a signal of intensity 30kwm-2 is applied at the input : when a signal of intensity 3.0kwm-2 is applied at the input of an amplifier of length 10m the output signal intensity
Explain the working of beat frequency oscillator with : explain the working of beat frequency oscillator with suitable
Draw a vector that represents the problem find the : an airplane is flying at speed of 300 mihour and at a bearing of 40 degree at a constant altitude. the airplane meets a
Determine the appropriate approach to conduct a hypothesis : determine the appropriate approach to conduct a hypothesis test for this claim fewer than 5 of patients experience

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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