Annual gross revenue

Assignment Help Basic Statistics
Reference no: EM1391871

The data given below represent the annual gross revenue (N'millions) obtained by a telephone company over the periods 1987 - 1996:

Year Gross Revenue (N'million)

1987            13.0
1988            14.1
1989            15.7
1990            17.0
1991            18.4
1992            20.9
1993            23.5
1994            26.2
1995            29.0
1996            32.8

(a) Plot the data on a graph paper

(b) Fit a least-squares trend line to the data and plot the line on your graph

(c) What are your trend forecasts for the years 1999, 2001, 200, and 2006?

Reference no: EM1391871

Questions Cloud

Explain modern art paintings : What occurs according to code if Jay is a merchant and he gets this writing from Leroy and does not object in writing in 10 days after receiving it?
Probability related to automatic filling machine : 10 cartons are taken at random from an automatic filling machine.The mean net weight of the carton is11.8 kg and standard deviation of 0.15kg. Does the sample mean differ significantly from the intended weight of 12kgs?
Provide list of hipaa requirements : Provide list of Health Insurance Portability and Accountability Act requirements such as transaction and code set standards, privacy standards?
Discussing the distribution theory : Let X and Y have a bivariate normal distribution with parameters u1 = 20, u2 = 40, sigma1^2 = 9, sigma2^2 = 4, and p = 0.6. Find the shortest interval for which 0.90 is the conditional probability that Y is in the interval, given that X = 22.
Annual gross revenue : The data given below represent the annual gross revenue (N'millions) obtained by a telephone company over the periods 1987 - 1996:
Extinction of thousands of species annually : Determine that human activities have caused the extinction of thousands of species annually; whereas, the natural rate of extinction is thought to be a few species every year.
Main issues for diplopedia used by diplomatic personnel : What main issues will require to be addressed for Diplopedia to be more extensively used by diplomatic personnel?
Calculation of percentage based on z value : Women's heights are normally distributed with mean 63.6 and standard deviation of 2.5 in. A social organization for tall people has a requirement that women must be at least 70 in tall.
Change in the allele frequency : A violation of which assumptions will result in a change in the allele frequency and determine which population most likely has assortative mating?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Computing mean absolute percentage error of forecasts

Compute mean absolute percentage error (MAPE) of the forecasts.

  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.

  Computing probability of failure of system

Find the probability of failure of system for any 4 hours of operation?

  Determine standard deviation and expected value

You're in charge of an experiment to evaluate a treatment which is advertised as being 90% effective at killing a particular insect. You plan an experiment in which the treatment is tested on 200 insects.

  What is the distribution with a mean of 0

Which of the following is NOT true regarding the normal probability distribution.

  Constructing histogram in excel

A large internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.

  Determine percentile scores

Student A and B took different statistics classes and 2 different finals. Student A had a score of 83 out of 100 and ranked 72 in his class. Student b scored 85 out of 100 and he ranked in the 70 percentile of his class.

  Computing average daily rainfall in week

Compute average daily rainfall in the week and for weekends. Get the average of weekdays' rainfalls and average of weekend's rainfalls.

  Performs a test of hypothesis

Drug sniffing dogs must be 95% accurate. A new dog is being tested and is right in 46 of 50 trials. Find a 95% confidence interval for the proportion of times the dog will be correct.

  Analyze the regression and draw the scatter plot

Analyze the Regression and draw the scatter plot for results of the Hsp90 affinity and Her-2 degradation studies.

  Probability of the diameter of a selected bearing

The diameters of ball bearings are distributed normally. The mean diameter is 74 millimeters and the variance is 16. Find the probability that the diameter of a selected bearing is less than 78 millimeters.

  Calculate the lower point of confidence interval for mean

For a sample of 11 independent observations from a normal distribution of unknown μ and unknown variance σ 2 , the sample mean is 74.6 and sample variance is 2.2. What is the lower point of the 90% confidence interval for μ?

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