Ask Question, Ask an Expert


Ask Statistics and Probability Expert

For problems 1 and 2: Your employer asks you to describe whether sales of cars (DV) can be predicted from the GDP (Gross Domestic Product).

1. Appropriate inferential statistical test for case scenario?   

2. Referring back to item 1, if evaluated statistical result is significant, what would you know?

3. You run a two tail t-test.  The critical value for this test at the .05 level is a t of 7.82.  What value should the obtained t-test statistic be in order to be considered significant at the .05 level?  

A researcher wants to know if there is the relationship between person's highest level of education (IV) and differences in life satisfaction (DV).  She places her subjects in four samples, i.e., 1) less than the high school degree, 2) high school graduate, 3) some college, or 4) college degree. She makes a life satisfaction survey using a 4-point ordinal scale.

4. Would the Kruskal-Wallis be the appropriate statistical process to test this Research problem (RQ)?  Please describe your answer.

5. When would you employ the Chi-Square test rather than One-Way Anova?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918453

Have any Question? 

Related Questions in Statistics and Probability

X is a random variable normally distributed with a normal

X is a random variable, normally distributed (with a normal probability density function), with mean µX and variance σ 2 . Conventional shorthand notation for this is X ~ N (µX, σ 2 ). X¯ is a random sample mean computed ...

Let x and ynbsp be zero-mean jointly gaussian random

Let X and Y  be zero-mean jointly Gaussian random variables with a correlation coefficient of and unequal variances of  (a) Find the joint characteristic function,  (b) Using the joint characteristic function, find the c ...

Question 1 decision analysisshow all calculations to

QUESTION 1 Decision Analysis Show all calculations to support your answers. You may follow the methods shown in the mp4 on Decision Analysis for a way to do part (b) of this question if you wish. a) People frequently use ...

1 the director of golf for a local course wants to study

1. The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a diffe ...

Sppose x is a poisson random variable with pmfnbspnbspk

Suppose X is a Poisson random variable with PMF,     k = 0,1,2...... Find the Chernoff bound for the tail probability

A balanced coin is tossed nine times find the probabilities

A balanced coin is tossed nine times. Find the probabilities of each of the following events: (a) exactly 3 heads occurred; (b) at least 3 heads occurred; (c) at least 3 heads and at least 2 tails occurred.

Question nbspproblem consists of two different scenarios

Question : Problem consists of two different scenarios requiring you to find the market demand curve. a.  Joe, Mary, and Ellen all have the same individual demand curve for peanuts. This demand curve is P = 10 - Q. They ...

A major dvd-of-the-month club collected data on the reasons

A major DVD-of-the-month club collected data on the reasons for returned shipments during a quarter. Results are: Wrong Selection, 50,000; Refused, 195,000; Wrong Address, 68,000; Order Canceled, 5000; and Other, 15,000. ...

Let x be a random variable that is uniformly distributed

Let X be a random variable that is uniformly distributed over the interval (0, 100 ) . Form a new random variable Y by rounding X to the nearest integer. In MATLAB code, this could be represented by Y=round(X). Finally, ...

Assignment- background to the assignmentin this assignment

Assignment- Background to the assignment: In this assignment you will be investigating pulse rate data collected by a sports science researcher who was interested in the effects of various factors on pulse rates at rest ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate