The mean rate of return on a sample of eight utility stocks, Ask an Expert

Statistics

A stockbroker at Critical Securities reported that mean rate of return on the sample of 10 oil stocks was 12.6 percent with the standard deviation of 3.9 percent. The mean rate of return on a sample of eight utility stocks was 10.9 percent with the standard deviation of 3.5 percent. At the 0.05 significance level, can we conclude that there is more variation in oil stocks?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M921104

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A coin is flipped five times in an experiment if x is the

A coin is flipped five times in an experiment. If x is the number of heads that turn out in the experiment, what is the set of possible values of variable x?

A survey of a group of college students was done to find

A survey of a group of college students was done to find out how students get to school for the school year. 15% of those surveyed were from out of state. Of those that were in-state, 56% used a car as their primary form ...

1nbspis the magnitude of an earthquake related to the depth

1) Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the qua ...

Introduction to epidemiology assignment -assignment should

Introduction to Epidemiology Assignment - Assignment should be typed, with adequate space left between questions. Read the following paper, and answer the questions below: Sundquist K., Qvist J. Johansson SE., Sundquist ...

The researchers stated that there were no significant

The researchers stated that there were no significant differences in the baseline characteristics of the intervention and control groups. Are these groups heterogeneous or homogeneous at the beginning of the study? Why i ...

A sample of 100 people is classified by gender malefemale

?A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data are used for ...

How can a graph or chart of data help you understand the

How can a graph or chart of data help you understand the results? What is a frequency table? Describe an example where a frequency table can be used in life.

Retail stores experience their heaviest returns on december

Retail stores experience their heaviest returns on December 26th and December 27th each year. The distribution for the Number of Items Returned (X) for Hilldale Macy's on those days last year is given in the table below. ...

Ages of ceos of companies throughout the united states and

Ages of CEOs of companies throughout the United States, and answer the questions that follow. Event A : CEO is under 40 Event B : CEO is at least 30 Event C : CEO is in his or her 50s Event D : CEO is under 60 1. Even ...

What is measured by the numerator of the z-score test

What is measured by the numerator of the z-score test statistic?

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

Recent Questions

Ask Statistics and Probability Expert