User Account

All Pages

Confident interval estimate of the change

Assignment Help Basic Statistics
Reference no: EM131474087

In early 2009 the economy was experiencing a recession. But how was the recession affecting the stock market? Shown are the data from a sample of 15 companies. Shown for each company is the price per share of stock on January 1 and April 30 (The Wall Street Journal, May 1, 2009)

DATA:

COMPANY JANUARY 1 ($) APRIL 30 ($)

Applied Materials 10.13 12.21

Bank of New York 28.33 25.48

Chevron 73.97 66.10

Cisco Systems 16.30 19.32

Coca-Cola 45.27 43.05

Comcast 16.88 15.46

Ford Motors 2.29 5.98

General Electric 16.20 12.65

Johnson & Johnson 59.83  52.36

JP Morgan Chase 31.53 33.00

Microsoft 19.44 20.26

Oracle 17.73 19.34

Pfizer 17.71 13.36

Philip Morris 43.51 36.18

Procter and Gamble 61.82 49.44

a. What is the change in the mean price per share of stock over the 4-month period?

b. Provide a 90% confident interval estimate of the change in the mean price per share of stock. Interpret the results.

c. What was the percentage change in the mean price per share of stock over the 4-month period?

d. If this same percentage change were to occur for the next 4 months and again for the 4 months after that, what would be the mean price per share of stock at the end of the year 2009?

Reference no: EM131474087

Questions Cloud

Explain how the ideas should be applied : Identify an organisation which would benefit from the application of these ideas and explain how the ideas should be applied.
Initial amount of acetaminophen taken : a) What is the initial amount of acetaminophen taken?
An example of when the measurement would be most useful : For each measure of central tendency, provide an example of when the measurement would be most useful.
Which is not correct relating to bottleneck resources : Which of the following is not correct relating to bottleneck resource? All the following are means to manage capacity by shifting and stimulating demand except.
Confident interval estimate of the change : In early 2009 the economy was experiencing a recession. But how was the recession affecting the stock market? Shown are the data from a sample of 15 companies.
Propose a new approach that could be used by alliance : Propose a new approach that could be used by Alliance by using the purchase information that can be obtained on individual customers.
Provide a summary on project management planning : A conclusion summarizing your thoughts on the project management planning tools you selected, including any insights gained from completing your critique.
Draw the circuit to perform the given functions : There are two 4-bit registers A and B, built out of JK flip-flops. There is a control signal C. The following operations are needed.
Measure to estimate the percent defective : Calculate the appropriate measure to estimate the percent defective. Find UCL and LCL. Show your work

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the total number of scores for the distribution

A small portion of every assignment will be completed using SPSS (version 21) that is available in every computer lab at Marymount California University. What is the total number of scores for the distribution shown in the frequency distribution ta..

  Perform the four-step hypothesis test to determine if the

a new sales training program has been instituted at a rent-to-own company. prior to the training 10 employees were

  Correlation coefficient for the data depicted in the scatter

Normal 0 false false false EN-US X-NONE X-NONE correlation coefficient for th..

  If she believes from previous studies that the true

a researcher is interested in determining the proportion of first year university students who have suffered hearing

  Approximate probability that the percentage

If administrators are selected randomly from the faculty, what is the approximate probability that the percentage of male administrators will be 70% or more?

  Find probability randomly selected player bats over value

What is the probability that a randomly selected player bats over 0.300? What is the probability that a team of 25 players has a mean that is above 0.275?

  Each of eight supermarkets and recording the price

We are interested in comparing the avg. supermarket prices of two leading colas in the Tampa area. Our sample was taken by randomly going to each of eight supermarkets and recording the price of s-pack of cola of each brand.

  Aeroplanes arrive at chicagos ohare airport at the average

aeroplanes arrive at chicagos ohare airport at the average rate of 5.5 per minute. air traffic controllers can safely

  Determine probability that results were true

Elephant came up twice as often as any other animal but that all the other animals came up equally often. Assuming there results were true, the probability of tossingan elephant is?

  Show that given sequence is not converge in any other sense

Show that given sequence does not converge in any other sense and therefore convergence in distribution does not imply convergence in any other form.

  Uses a forward contract to hedge its payables

California Co. will need 1 million Polish zloty in 2 years to purchase imports. Assume interest rate parity holds. Assume that the spot rate of the Polish zloty is $.30.

  The mean of a standard normal probability distribution

The mean of a standard normal probability distribution.

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