Computing z-score for advertising time

Assignment Help Basic Statistics
Reference no: EM1316967

Q1) Which of the given describes the shape of distribution best?

a) Mean

b) Median

c) Mode

d) Standard deviation

e) Stem-and-leaf plot

Q2) _______________ gives us method of interpreting standard deviation whihc applies to any data set, regardless of shape of distribution.

a) Chebyshev's rule

b) The empirical rule

c) Both a and b

d) Neither a nor b

e) None of the above

Q3) A radio station claims that amount of advertising per hour of broadcast time has the average of 3 minutes and standard deviation equal to 2.1 minutes. You listen to radio station for 1 hour, at arbitrarily selected time, and carefully observe that amount of advertising time is equal to 7 minutes.

Compute z-score for this amount of advertising time.

a) z = 1.63

b) z = 1.90

c) z = 4.00

d) z = -1.90

e) z = 2.63

Reference no: EM1316967

Questions Cloud

Specific mobile wireless solutions : Assess a problem, diagnose its sources, and recommend a course of action. Some examples are the recommendation for specific mobile wireless solutions.
Valuation of cash flows and purchase price of equipment : Valuation of cash flows and purchase price of equipment with changes in the exchange rates
Determine the volume of oxygen : Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Carrying goodness of fit chi-square test : When we carry out a goodness of fit chi-square test, the expected frequencies are based on the alternative hypothesis
Computing z-score for advertising time : You listen to radio station for 1 hour, at arbitrarily selected time, and carefully observe that amount of advertising time is equal to 7 minutes. Compute z-score for this amount of advertising time.
The value of the logarithmic expression : The value of the logarithmic expression.
Network security planning : Securing a large internetwork is considered as a daunting challenge. Cloud computing and the social networks add to this complexity. In two to three (2-3) pages.
History of being successful at getting a donor : She has a history of being successful at getting a donor on 55 percent of her calls. If June has a quota to get at least four donors each day.
Elements of inferential statistical analysis : Name three elements of the inferential statistical analysis.

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..

  Hypothesis test for correlation coefficient

Using the .05 significance level, can we conclude that there is a positive association between the two variables?

  Determining percentages of calls which are completed

Fix-It Copiers advertises mean time of 100 minutes for office calls with standard deviation of 25 minutes. What percentages of calls are completed?

  For binomial distribution among given values

For binomial distribution among given values for n as well as p state whereas or not it is suitable to use normal distribution as an approximation.

  Hypothesis for population variances

We want to test the hypothesis that the population variances are equal.

  Categorizing discrete or continuous random variables

Categorize the following as discrete or continuous random variables.

  Finding probability using binomial distribution

Using the Binomial Distribution, find the probability that if Air Northeast books 22 people on a flight, not enough seats will be available for all booked passengers.

  Confidence interval for population mean and sample size

What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?

  Perform hypothesis testing

Perform hypothesis testing on one variable's data.

  Describing whether smoking is confounder

A case-control study of relationship between liver cirrhosis among both non alcoholics and alcoholics. Describe whether smoking is confounder.

  Determining the probability of selecting people at arbitrary

If we were to ask three people at arbitrary, determine the probability that they will all prefer punk rock?

  Claiming using two mean z test

At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees? Use the five-step hypothesis-testing procedure.

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