The chi-square distribution table can be used to find the values of x/2 and x - a/2: An excerpt of this table is given below. Area in Upper Tail Degrees of Freedom 0.995 0.99 0.975 0.95 0.90 6.844 7.633 8.907 10.117 11.651 27.204 30.144 32.852 36.191 38.582 0.05 0.025 0.01 0.005 0.10 19 2 To find the value of x² for an upper tail area of 0.025. Find x0.025. rounding the result to three decimal places. x0.025 a/2 0.025 move along the row for 19 degrees of freedom until reaching the column
The chi-square distribution table can be used to find the values of x/2 and x - a/2: An excerpt of this table is given below. Area in Upper Tail Degrees of Freedom 0.995 0.99 0.975 0.95 0.90 6.844 7.633 8.907 10.117 11.651 27.204 30.144 32.852 36.191 38.582 0.05 0.025 0.01 0.005 0.10 19 2 To find the value of x² for an upper tail area of 0.025. Find x0.025. rounding the result to three decimal places. x0.025 a/2 0.025 move along the row for 19 degrees of freedom until reaching the column
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Transcribed Image Text:Step 5
The chi-square distribution table can be used to find the values of x2 and x - g/2: An excerpt of this table
is given below.
a/2
Area in Upper Tail
Degrees
of
Freedom o.995 | 0.99
0.975
0.95
0.90
0.10
0.05
0.025
0.01
0.005
6.844 7.633 8.907 10.117 11.651 27.204 30.144 32.852 36.191 38.582
19
2
To find the value of
a/2
2
= X0,025
move along the row for 19 degrees of freedom until reaching the column
.2
for an upper tail area of 0.025. Find x0.025, rounding the result to three decimal places.
x0.025 =
2
Use this same process to find x0.975, rounding the result to three decimal places.
x0.975
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