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Consider the following sequence of (0,1) random numbers: 0.943 0.398 0.372 0.943

ID: 3297201 • Letter: C

Question

Consider the following sequence of (0,1) random numbers:

0.943

0.398

0.372

0.943

0.204

0.794

0.498

0.528

0.272

0.899

0.294

0.156

0.102

0.057

0.409

0.398

0.401

0.997


Test if the sequence is distributed U (0, 1) using a Chi-Squared test with 5 equally spaced intervals.

LL

UL

Observed

Expected

(O-E)^2/E

1

0.0

0.2

3

0.1

2

0.2

0.4

3

0.4

0.6

4

0.044444

4

0.6

0.8

1

1.877777

5

0.8

1.0

4

0.044444

18

Test Statistic =

# intervals

5

df


Based on a p-value of 0.45 we would not reject the hypothesis that the data is U(0,1) at the Type 1 error rate of 0.05

0.943

0.398

0.372

0.943

0.204

0.794

0.498

0.528

0.272

0.899

0.294

0.156

0.102

0.057

0.409

0.398

0.401

0.997

Explanation / Answer

I guess you want the test-statistic

So,

Test-statistic = sum of (O - E)^2/E

= 0.1 + 0.04444 + ...... + 0.044444