A4 Qu v Search Sheet Home Insert Page Layout Formulas Data Review View + Share ^ X Cut Σ AutoSum v Arial 10 A- A- Wrap Text General Сорy ^ • Fill - BI U A % ) .0 .00 .00 .0 Cell Sort & Filter Paste + Merge & Center ▼ Conditional Format Insert Delete Format Format Formatting as Table Styles Clear - V43 fx A B C E F G H J K L M N R S U V W Y 1. Scores on the SAT Mathematics test (SAT-M) are believed to be normally distributed with mean. The scores of a random sample of eight students who recently took the exam. The results are shown in the table 1. Are these data evidence that µ has changed from prior belief (or information) that the average of scores is 600? To determine this, Answer we test the hypotheses Ho: µ = 600, Ha: u + 600 at the 5% significance level (If you want to use R, please use score.csv posted on Canvas). 4 Table 1 Student 1 2 4 6. 7 8 Score 580 620 720 650 690 690 580 670 S n standard error of X bar 3 (a) What is the standard error of a sample mean (x bar)? (Round it to two decimal places) df 1 3 (b) What is a 95% confidenceinterval for u? State the degrees of freedom and t-value clearly. Lower Bound (Limit) Upper Bound (Limit) AN

A4 Qu v Search Sheet Home Insert Page Layout Formulas Data Review View + Share ^ X Cut Σ AutoSum v Arial 10 A- A- Wrap Text General Сорy ^ • Fill - BI U A % ) .0 .00 .00 .0 Cell Sort & Filter Paste + Merge & Center ▼ Conditional Format Insert Delete Format Format Formatting as Table Styles Clear - V43 fx A B C E F G H J K L M N R S U V W Y 1. Scores on the SAT Mathematics test (SAT-M) are believed to be normally distributed with mean. The scores of a random sample of eight students who recently took the exam. The results are shown in the table 1. Are these data evidence that µ has changed from prior belief (or information) that the average of scores is 600? To determine this, Answer we test the hypotheses Ho: µ = 600, Ha: u + 600 at the 5% significance level (If you want to use R, please use score.csv posted on Canvas). 4 Table 1 Student 1 2 4 6. 7 8 Score 580 620 720 650 690 690 580 670 S n standard error of X bar 3 (a) What is the standard error of a sample mean (x bar)? (Round it to two decimal places) df 1 3 (b) What is a 95% confidenceinterval for u? State the degrees of freedom and t-value clearly. Lower Bound (Limit) Upper Bound (Limit) AN

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

answrs to 1d 1e

A4
Qu
v Search Sheet
Home
Insert
Page Layout
Formulas
Data
Review
View
+ Share ^
X Cut
Σ AutoSum v
Arial
10
A- A-
Wrap Text
General
Сорy ^
• Fill -
BI U
A
% )
.0
.00
.00
.0
Cell
Sort &
Filter
Paste
+ Merge & Center ▼
Conditional Format
Insert
Delete
Format
Format
Formatting as Table
Styles
Clear -
V43
fx
A
B
C
E
F
G
H
J
K
L
M
N
R
S
U
V
W
Y
1. Scores on the SAT Mathematics test (SAT-M) are believed to be normally distributed with mean. The scores of a
random sample of eight students who recently took the exam. The results are shown in the table 1. Are these data
evidence that µ has changed from prior belief (or information) that the average of scores is 600? To determine this,
Answer
we test the hypotheses Ho: µ = 600, Ha: u + 600 at the 5% significance level (If you want to use R, please use
score.csv posted on Canvas).
4 Table 1
Student
1
2
4
6.
7
8
Score
580
620
720
650
690
690
580
670
S
n
standard error of X bar
3 (a) What is the standard error of a sample mean (x bar)? (Round it to two decimal places)
df
1
3 (b) What is a 95% confidenceinterval for u? State the degrees of freedom and t-value clearly.
Lower Bound (Limit)
Upper Bound (Limit)
AN

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