Question

Given that accounts receivable can be one of the following: current, late and uncollectible. Industry standards...

Given that accounts receivable can be one of the following: current, late and uncollectible. Industry standards show that 57 percent of accounts receivable are current, 31 percent are late and 12 percent are uncollectible. A local law firm has 454 accounts receivable in which 251 are current, 155 are late and 48 are uncollectible.

Category fo fe (fo - fe)2 / fe
current 251 258.7800 0.2339
late 155 140.7400 1.4448
Uncollectible 48 54.4800 0.7707
a) Select the appropriate hypothesis and decision rule using a 0.020 significance level.
Hypotheses:
  H0: 12 percent of the observations are in current, 57 percent are in late and 31 percent are in Uncollectible
  H1: Distribution is not as above.
Decision Rule:
  Reject H0 if X2 > 9.21.
Hypotheses:
  H0: 57 percent of the observations are in current, 31 percent are in late and 12 percent are in Uncollectible
  H1: Distribution is not as above.
Decision Rule:
  Reject H0 if X2 > 7.824.
Hypotheses:
  H0: 12 percent of the observations are in current, 57 percent are in late and 31 percent are in Uncollectible
  H1: Distribution is not as above.
Decision Rule:
  Reject H0 if X2 > 7.378.
Hypotheses:
  H0: 57 percent of the observations are in current, 31 percent are in late and 12 percent are in Uncollectible
  H1: Distribution is not as above.
Decision Rule:
  Reject H0 if X2 < 7.824.

b) Compute the value of the test statistic.


For full marks your answer should be accurate to at least two decimal places.

Test statistic: 0

c) What is your decision regarding H0.
Reject H0.
Do not Reject H0.
Can not be determined based on our results.

Homework Answers

Answer #1

Categories :

current, late and uncollectible.

Degrees of freedom = Number of a categories -1 = 3-1 =2

: Significance level = 0.02

Critical value : for 2 degrees of freedom = 7.824

(a)

Hypotheses:
  H0: 57 percent of the observations are in current, 31 percent are in late and 12 percent are in Uncollectible
  H1: Distribution is not as above.
Decision Rule:
  Reject H0 if > 7.824

b)

test statistic

Test Statistic = 2.4494

c)

As : < Critical value :7.824; Do not Reject Ho

Answer

Do not Reject H0.

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