Descriptive and inferential

Assignment Help Basic Statistics
Reference no: EM131852518

1. The subject of statistics is often divided into two parts: descriptive and inferential. Briefly describe each.

2. For the following examples, is the individual primarily using descriptive statistics or inferential statistics?

(a) A pollster asks a group of voters how they intend to vote in the upcoming election for governor.

(b) A researcher tests a new diet drug on a group of overweight individuals.

(c) A teacher organizes test grades into a distribution,from best to worst.

(d) A sports fan ranks a team's players according to their batting averages.

Reference no: EM131852518

Questions Cloud

Distribution of scores and the general social survey : A distribution of scores and the General Social Survey: Refer to Exercise 6.43. Again, pretend that the GSS sample is the entire population of interest.
Analyze in detail initial steps that would need to be made : Analyze in detail the initial steps that would need to be made by you and the IR team in order to respond to this potential incident.
Subject-matter expert and that of statistician : An experimenter may "wear two hats," that of subject-matter expert and that of statistician. Is our experimenter wearing primarily the first hat
Assets consisting mostly of investments in corporate bonds : Bank of America, with assets consisting mostly of investments in corporate bonds, estimated the duration of its assets to be 9.5 years.
Descriptive and inferential : 1. The subject of statistics is often divided into two parts: descriptive and inferential. Briefly describe each.
Interested in the choices of majors : We are interested in the choices of majors of this year's entering freshmen at our university. We randomly survey 10% of them.
Reach an incorrect research conclusion : 1. Is it possible to draw a correct statistical conclusion yet reach an incorrect research conclusion? Explain your answer.
Effect of the act of measurement : If the effect of the act of measurement is disregarded, which of the following variables are best regarded fundamentally as forming a discrete series, and which
Describe the impact and the vulnerability of the scada : Describe the impact and the vulnerability of the SCADA / Stuxnet Worm on the critical infrastructure of the United States.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability models based on bernoulli trials

Bernoulli. Can we use probability models based on Bernoulli trials to investigate the following situations? Explain. a) Each week a doctor rolls a single die to determine which of his six office staff members gets the preferred parking space.

  Find allowable axial compressive load using euler formula

A W200×59 structural steel wide-flange section is used as a pinended column 7 m long. Find the allowable axial compressive load using Euler's formula.

  Problem various bootstrap con?dence interval methods

Conduct a simulation to compare the various bootstrap con?dence interval methods. Let n = 50 and let T (F ) =( (x - µ)3dF (x)/σ3 be the skewness.

  What is the utilization factor

a. What is the utilization factor? b. How long can a customer expect to wait in line? c. How many customers are expected to wait to be serviced? d. How many customers are expected to be in the system?

  Which of given would be same as it was for the first sample

If a different sample of 100 marathon runners was taken from the same population, which of the following would be the same as it was for the first sample, and which would be different?

  Find predicted sales for a store that is in a shopping mall

Consider Table, showing the partial results from a multiple regression analysis (with significant F test) that explains the annual sales of 25 grocery stores.

  Knowledge of mathematics correctly

He did arrive safely! Is there a fallacy in Dickens; argument? Explain.

  Estimating the confidence interval for population meanthe

estimating the confidence interval for population mean.the superintendent wants to determine the average amount of

  What is the expected value of playing roulette

What is the expected value of playing roulette if you bet $18 on red ?

  Determine the multiple coefficient of determination

At alpha = 0.05, test to see if the coefficient of x1 is significantly different from zero. Determine the multiple coefficient of determination.

  Historic perspective on the game theory

What does game theory entails? Explain the historic perspective on the game theory in relation to decision making to the business and management.

  The probability mass function

The probability mass function PH,B(h, b) for the two random variables H and B is given in the following table. Find the marginal PMFs PH (h) and PB(b).

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