Estimating the average sat score

Assignment Help Basic Statistics
Reference no: EM132188168

SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 25 points, how many students should you sample?

Reference no: EM132188168

Questions Cloud

Average weight of a sample shipment : A vendor claims that the average weight of a sample shipment of parts is 2.84 kg.
What size of sample is needed : ?A political candidate has asked you to conduct a poll to determine what percentage of people support her.
What happened during your field education experience : Provide a transcript of what happened during your field education experience, including a dialogue of interaction with a client
Same disease in the united states : Compare A and B in three? ways, where Aequals =52 comma 52,402 is the number of deaths due to a deadly disease in the United States in 2005
Estimating the average sat score : SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students
Evaluate network performance of communication technologies : MN603 - Wireless Networks and Security - Evaluation of IoT networks - Evaluate the network performance of the communication technologies for IoT and comment
What are the critical values of z : What are the critical values of z? What is the value of the test statistic, z, rounded to three decimal places?
Z-value on the standard normal distribution : Find area to the left of z-value on the standard normal distribution. Round the answer to four decimal places.
Describe effect of group dynamics on facilitating programs : Assignment: Generalist Case Management - Woodside and McClam - Describe the effect of group dynamics on facilitating programs

Reviews

Write a Review

Basic Statistics Questions & Answers

  Nutritional requirement of daily allowance

Nutritional requirement of daily allowance for iron for females under the age of 51 is 18 mg. A sample was conducted during a 24-hour period

  Determine the most conservative critical value for a one

determine the most conservative critical value for a one sided smith-satterthwaite test at alpha0.05 given var14 n14

  What is the price paid to the bondholder

Assuming a par value of $1,000, what is the price paid to the bondholder if the issuer calls the bond? Amount paid $

  Use of bed nets-purity of a catalyst

A study found that the use of bed nets was associated with a lower prevalence of malarial infections in the Gambia.13 A report of the study states that the signi?cance is P 0.001.

  Alternative hypothesis

If we assume the IQ of this years class is normally distributed I there enough evidence to conclude at 0.1 level of significance the mean IQ.

  Discuss about the combinations of instructor type

The null hypothesis here is that the proportion of students receiving an A, B, or C is the same for each of the four combinations of instructor type.

  Find decision for late evening news on local cbs station

In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is your decision if α = 0.01?

  Using the wilcoxon rank sum test analyze the following data

using the wilcoxon rank sum test analyze the following data for evidence that population b is different from population

  Write out the contrasts for each of the given hypotheses

For men driving the old car, testosterone levels will decrease less in men who drive the old car on the highway.

  Countable product of copies

Show that there is a continuous function from [0, 1] onto Tin≥1[0, 1]n , a countable product of copies of [0, 1], with product topology. Hint: Take the sequence f (k) as in Problem 10. Let Fk (t )n := f (k)(t )n for n ≤ k, 0 for n > k. Show that F..

  Determining hypothesis testing-confidence interval

A medical researcher estimates that no more than 55% of the U.S. adults eat breakfast every day. In a random sample of 250 U.S. adults, 56.4% say that they eat breakfast every day.

  Samples are drawn without replacement

In a sample of 4 items, what is the probability that exactly 3 are acceptable? Assume the samples are drawn without replacement. (Round your answer to 4 decimal places.)

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