Question: Large variance and hence large standard deviation show big spread. This is undesirable in using a sample to make an inference about the population parameter.

Large variance and hence large standard deviation show big spread. This is undesirable in using a sample to make an inference about the population parameter. A question I have for you is that can standard deviation of a distribution be negative? Why?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

cc170785fa926b2240534b10e7743155388d392a ID hours 1 37.09953814 2 34.58422938 3 37.85777106 4 36.03408777 5 38.71008438 6 38.18084857 7 37.7883698 8 38.41027533 9 39.53619743 10 37.46797595 11...

The interval is called a confidence interval and the spread of the interval is dependent in part on the spread of the sample statistic around the true population parameter. We know how sample...

Thank you in advance! Many Thumbs up! :) There are 20 other people trying to figure this out, I will get everyone to give you a thumbs up if you help us! SD means Standard deviation Background info t...

I really really need this answered, Please help me SD means Standard deviation Background info t PROCEDURE that is pooled.... To make statistical inference (hypo. testing & Confi. INterval...

1. Statistical Inference: Confidence Intervals File AED_EARNINGS.DTA includes data on years of education for a random sample of women aged 30 years in 2010. (a) Use command mean education to give a...

unit II q12. Summarized on the right is the sale (in thousands) of the top five products in 2002. Use this information to calculate what percent of the sales of these five products was due to product...

STAT 218: Two Group Categorical Practice _____________________________________________________________________________________________ SCENARIO ONE: Blood donations from volunteers serve a crucial...

Solve the following Short Answer (40 points - 10 points each)_Answer each of the following short answer questions in the space provided. Be concise, but do not simply use bullet-points to answer the...

Situation: Sales Forecasting The Simpson Corporation has accumulated data with respect to past deals of custom shirts. YearSales2013 $225,0002014 $193,0002015 $248,0002016 $360,0002017 $340,0002018...

In perfect capital and product markets, investors will bid up the price of tax-favored assets until the after-tax returns on all assets (within the same risk class) are the same (tax arbitrage). The...

1.If you were managing consumer packaged goods brands for a company like Procter & Gamble, Unilever, Clorox, Kraft Heinz, or Campbell Soup Company, how would you respond to Brandless?What changes...

9.42 An experiment reported in Popular Science compared fuel economies for two types of similarly equipped diesel mini-trucks. Let us suppose that 12 Volkswagen and 10 Toyota trucks were tested in...

use ampl so solve and show model/work. Suppose that 5 components (one unit per product unit) are used in the production of 10 products according to the following schedule. The unit assembly cost of...

The temporal rule: The closer temporal proximity we have to an event or action, the more probable it is that the distortion of information is less than if the event or action happened longer ago.

The relevance of the information to the interpreter

The first-hand information rule: If an event is communicated to us by someone who witnessed an event at first-hand, we will have more confidence in the information than if we were told about it by...