In aSCICCtea US Adolts' (age 18 or Olacr)werePCOPIEwhom yoU Cliscussea matters that areimportantnumberwith arecent StUdy 2006 randomiyaskea tOthe last six months "withgive the nomber OFinto you! The averagelose conFidants was 2.2.OfStandard deriaton OF1.499:1. conFIdence(a) Find andinterval For average nomberCIOseinterpret aOFcoNFidants.(b) if wC want to cstimate thC numborcloseOFofconfidence ,how large a samplenecded ?coNFidants with a mnarginand with 99:%.iserror OF±0.05

Given data,n=2006x=2.2σ=1.4z-value at 99% confidence is Zc=2.576

In a recent study 2006 randomly SCICCtea US Adolts' (ogC 18 or OIacr) were PCOPIE whom yoU important number with a asked the last six months "with give the omber OF TO in Cliscussea matters that are to you"! The average Of Standard deriaton OF Close conFidants was 2.2. 1.4 (a) Find and interpret a 99.1.conFIdenc

In a recent study 2006 randomly SCICCtea US Adolts' (ogC 18 or OIacr) were PCOPIE whom yoU important number with a asked the last six months "with give the omber OF TO in Cliscussea matters that are to you"! The average Of Standard deriaton OF Close conFidants was 2.2. 1.4 (a) Find and interpret a 99.1.conFIdenc

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

In a
SCICCtea US Adolts' (age 18 or Olacr)
were
PCOPIE
whom yoU Cliscussea matters that are
important
number
with a
recent StUdy 2006 randomiy
askea tO
the last six months "with
give the nomber OF
in
to you! The average
lose conFidants was 2.2.
Of
Standard deriaton OF
1.4
99:1. conFIdence
(a) Find and
interval For average nomber
CIOse
interpret a
OF
coNFidants.
(b) if wC want to cstimate thC numbor
close
OF
of
confidence ,how large a sample
necded ?
coNFidants with a mnargin
and with 99:%.
is
error OF
±0.05

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