Suppose iq scores were obtained from randomly selected

Assignment Help Basic Statistics
Reference no: EM13635566

Suppose IQ scores were obtained from randomly selected siblings. For 20 such pairs of people, the linear correlation coefficient is 0.936 and the equation of the regression line is Y^=-22.06+1.23x, where x represents the IQ score of the younger child. Also, the 20 x values have a mean of 93.66 and the the 20 y values have a mean 93.4. what is the best predicted IQ score of the older child given that the younger child has an IQ of 91. use significance level 0.05

Reference no: EM13635566

Questions Cloud

Both small pipes have the same length and pressure drop if : fluid flows steadily at volume rate q through a large horizontal pipe and then divides into two small pipes the larger
In many cities the network national news is broadcast at : in many cities the network national news is broadcast at 630 or 700 p.m. in most cities the national news is preceded
A container contains oxygen neon and helium whose : a container contains oxygen neon and helium whose partialpressure are 100 torr 300 torr and 200 torr respectively. what
Suppose 500 g of hydrogen is separated into electrons and : suppose 5.00 g of hydrogen is separated into electrons and protons. suppose also the protons are placed at the earths
Suppose iq scores were obtained from randomly selected : suppose iq scores were obtained from randomly selected siblings. for 20 such pairs of people the linear correlation
A 0421-g sample of asprin prepared in ther laboratory : a 0.421-g sample of asprin prepared in ther laboratory isdissolved in 95 ethanol diluted with water and titrated to
Gulls are often observed dropping clams and other shellfish : gulls are often observed dropping clams and other shellfish from a height to the rocks below as a means of opening the
Formic acid hfor has a ka value equal to about 18 x10-4 a : formic acid hfor has a ka value equal to about 1.8 x10-4. a student is asked to prepare a bufferhaving a ph of 3.40
In rutherfords famous scattering experiments that led to : in rutherfords famous scattering experiments that led to the planetary model of the atom alpha particles having charges

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval-norm dickins

Norm Dickins the town pharmacist is interested in obtaining a loan to expand his business. He will get a better interest rate if he can reasonably demonstrate that his near-term monthly revenues will be between $10,000 and $15,000.

  If 400 fans who attended a college football game last week

suppose 80 of the college football fans root for the home team. if 400 fans who attended a college football game last

  How to represent a binomial random distribution

Committee were chosen from among the workers without regard to gender: Does this represent a binomial random distribution? Why?

  Use chi-square test to test if the two attributes

1. mention the characteristics of statistics. explain any two applications of statistics.2. distinguish between primary

  Need the test effect and test statistic

I have the t-score of 1.660 an a standard error of .036. I hope they are correct, but also need the test effect and test statistic, p-value.

  Sample needed to find the population mean

How large a sample is needed to find the population mean within $250 at 99 percent confidence?

  Polling organizations conduct polls

Gallup Polls When Gallup and other polling organizations conduct polls, they typically contact subjects by telephone. In recent years, many subjects refuse to cooperate with the poll.

  An international marketer has said when political instabilit

An international marketer has said, "When political instability increases, the price of quality increases." Think about the potential issues with measurements and data collection. Is this a testable hypothesis?

  Find the diamter of a pipe where p1-p2 is 55 psi and the

find the diamter of a pipe where p1-p2 is 55 psi and the height rise along the pipe is 60 ft or h2-h1 60 ft the exit

  Bugeting problem for quatitative

The advertising agency promoting the new Keem dishwashing soap wants to get the best exposure possible for the product within the $100,000 advertising budget ceiling placed upon it.

  Explain smoothed histogram or density curve

Sum of shaded area is equal to one. Smoothed histogram or density curve. How we view the "distribution" of a dataset can depend on how much data we have and how it is binned.

  Forecasting temperatures

Assume that you want to use a 0.05 significance level to test the claim that paired sample data come from a population for which the mean difference is Ud = 0. Find (a) d-, (b) Sd, (c) the t test statistic, and the critical values.

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