Solution-Should the department us the new curriculum and why

Should the department us the new curriculum and why

Assignment Help Basic Statistics

Reference no: EM131478049

A high-school department made a change in its curriculum. One of the instructors in the department suspected that the change would result in a lowering of math skills. Students in the old program showed a mean of 70 points on a mathematics proficiency exam.

Forty-two students from the new program had the scores in the dataset MATHEMATICS TEST SCORES. The standard deviation of the all students over the years has been 10.34. Use a 2% level of significance.

a. Set up a hypothesis test

i. State the null and alternative hypothesis

ii. Confidence intervals of scores and the z or t intervals.

b. What are the results of the test (do the data indicate that the new program results in a lowering of math skills).

c. Do a P test. Are the two tests consistent?

d. Should the department us the new curriculum and why?

Verified Expert

This task provides a clear working example of hypothesis testing and confidence interval. The 98% confidence interval was constructed to determine the mean math score of students who enrolled in new program. the management thinks that the new program in teaching math to school students is not effective in increasing the math scores

Reference no: EM131478049

Questions Cloud

Determining the infosys threats : Employee Retention â âvital and most valuable assetsâ Itâs been headache for Infosys to retain its skilled staff in US.

What lies beneath the apparently smart behavior : What lies beneath the apparently "smart" behavior of institutional investors relative to that of individual investors? If individuals simply begin investing.

The study of waiting lines is called queuing theory : On a practical note - if we are using waiting line analysis to study customers calling a telephone number for service, balking is probably not an issue.

Discuss pros of auctions in presence of sentiment investors : Since the burst of the dot-com bubble in 2001, the issuing mechanism known as bookbuilding has been under attack. Bookbuilding refers to the process.

Should the department us the new curriculum and why : What are the results of the test - Should the department us the new curriculum and why - onfidence intervals of scores and the z or t intervals.

Define the theory based on investor sentiment : What are the necessary ingredients for a theory based on investor sentiment to generate high and time-varying first-day returns, hot-issue markets.

Individual ethics and public health ethical standards : What are the root causes of the conflict that can occur between medical / individual ethics and public health ethical standards?

Identify a product or service that was overlooked : Identify a product or service that was overlooked or dismissed by existing players in the marketplace that ultimately totally disrupted to market.

What is the cost of the initial solution using the northwest : Which technique requires that we start in the upper-left-hand cell of the table and allocate units to shipping routes in a "stair step" fashion?

User Account

All Pages

Should the department us the new curriculum and why

Reference no: EM131478049

Reference no: EM131478049

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Statistics-probability assignment

What is the least number

Determine the value of k

What is the probability

Binomial distributions

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

Generate descriptive statistics

Sampling variability and standard error

Estimate the population mean

Conduct a marketing experiment

Find out the probability

Linear programming models

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT