How many degrees of freedom are there

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Reference no: EM131426880

Dice

After getting trounced by your little brother in a children s game, you suspect the die he gave you to roll may be unfair. To check, you roll it 60 times, recording the number of times each face appears. Do these results cast doubt on the die s fairness?

a) If the die is fair, how many times would you expect each face to show?

b) To see if these results are unusual, will you test goodness-of-fit, homogeneity, or independence?

c) State your hypotheses.

d) Check the conditions.

e) How many degrees of freedom are there?

f) Find χ² and the P-value.

g) State your conclusion.

Face	Count
1	11
2	7
3	9
4	15
5	12
6	6

Reference no: EM131426880

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