Identify experimental design or observation study-survey

Assignment Help Basic Statistics
Reference no: EM13144968

For the following questions: Identify whether it is an experiment or an observation study/survey. If experiment: identify experimental design, experimental units, factors & levels, response variable, and blocks (if any). If study/survey, identify sampling method and one possible source of bias. An economist wants to determine if differences exist among the salaries of university professors in different departments. Data is collected from a random sample of six professors from each of the departments of business, history, and psychology

Reference no: EM13144968

Questions Cloud

Compute the work-in-process : Compute the work-in-Process transferred to the finished goods warehouse on April 30 using the following information:
What proportion of this population true-breeding double : She crosses the two lines together (aab+b+ x a+a+bb) to create a heterozygote (a+ab+b). Two heterozygotes are crossed together to create an F2 population. What proportion of this population will be true-breeding double mutant?
Journal entry to record issuance of bonds : Worthington Company issued $1,000,000 face value , six-year, 10% bond on July 1, 2010, when the market rate of interest was 12%. Interest payments are due every July 1, and January 1. Worthington uses a calendar year-end. 1. Prepare the journal en..
What is the probability of obtaining an offspring : In snapdragons, the genes A,B,C,D, and E assort independently of one another. If an Aa Bb Cc dd EE plant is crossed with an Aa bb cc Dd Ee plant, what is the probability of obtaining an offspring that is phenotypically dominant for all five traits..
Identify experimental design or observation study-survey : Identify whether it is an experiment or an observation study/survey. If experiment: identify experimental design, experimental units, factors & levels, response variable, and blocks (if any).
What proportion of the offspring would be heterozygous : In a particular type of melon, orange fruit is dominant over green fruit and round shape is dominant to oval. If a plant that was heterozygous for both traits were crossed with a plant that was homozygous recessive for both traits, what proportion..
Problem related to acquistion method : Bailey, inc. buys 60% of the outstanding stock of luebs, inc. Luebs owns a piece at cost of $200000 but was worth $500000 at acquistion date. What value should be attributed to this land in consolidated balance sheet at the date of takeover, Using..
Direct materials for an auto manufacturer : Which of the following is FALSE in regards to direct materials for an auto manufacturer?
What molecule would accumulate in the affected cells : Draw a hypothetical metabolic pathway composed of five substrates, five enzymes, and a product called Biological Sciazine. Number the substrates 1-5, and label the enzymes A-E, in order. (For instance, enzyme A catalyzes the reaction between subst..

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Percentile of the thickness distribution

The shell thicknesses of the eggs produced by a large flock of hens follow approximately a normal distribution with mean equal to 0.38 mm and standard deviation equal to 0.03 mm. Find the 95th percentile of the thickness distribution.

  Maximize revenue during the month

A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000.

  Sample size for estimating population mean

It is believed that the range of hourly wages paid to auto mechanics in a large city is $9 (range approx. = 4sigma-squared). If we assume that hourly wages are approximately normally distributed,

  Shipping schedule using transshipment model

Determine the most economical monthly shipping schedule. Provide a table showing the routes and total costs.

  Statististcs-test statistic-critical value

When the necessary conditions are met, a two-tail test is being conducted to test the difference between two populations proportions.

  Verbal portion of the sat test

Scores for men on the verbal portion of the SAT test are normally distributed with a mean 509 and a standard deviation of 112. Randomly selected men are given the Columbia

  Normal distribution with given mean and standard deviation

Given length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation five feet, what is the probability he throws it: Between 50 feet and 60 feet.

  Mean score on a standardized test

A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following

  Statistical analysis of surveys

In a survey about soft drinks it was found that 5% of the respondents like diet soft drinks. 12% of them liked the brand Coke. Of all the Diet soda drinkers 40% liked Coke.

  Percentile rank of sat i scores in population

SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points and are approximately normally distributed. A person who scores (a perfect) 800 on the SAT I has approximately what percentile rank..

  Multiple choice questions-p value

When carrying out a large sample test of H 0 :  m =10 vs. H a :  m  ¹ 10 by using a p-value, we reject H 0  at level of significance α when the p-value is:

  Confidence interval for varaince-standard deviation

A sample of 23 European countries found that the variance of life expectancy was 7.3 years. What is the 95% confidence interval estimate for the variance of life expectancy in Europe?

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