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baherus [9]
2 years ago
12

A social sciences researcher wants to know about the amount of money that couples without children spend on leisure travel. Her

sample of 280 couples yields a mean of $1263.00 and a standard deviation of $160.00. What is the margin of error for a 95% confidence interval?
Business
1 answer:
Anit [1.1K]2 years ago
8 0

Answer:

$18.74

Explanation:

the margin of error for a 95% confidence level = Z x (σ / √n)

  • Z for a 95% confidence level = 1.96
  • standard deviation (σ) = $160
  • sample size (n) = 280

the margin of error for a 95% confidence level = 1.96 x ($160 / √280) = 1.96 x ($160 / 16.733) = 1.96 x $9.56 = $18.74

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Really want to help but I cant . Maybe next time I can help Maybe not but because we dont meet again

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Berry, the seller, wants Paul, the broker, to change from a single agency relationship to a transaction broker. Paul agrees to d
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Before the listing agreement is signed.

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Answer:

A. Dr Wages expense 4,000

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5 0
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Please see explanation below.

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The next step is to conduct a secret ballot election which will be supervised by National Labor Relations Board (NLRB) as might be required by the employer-Champlain products inorder to obtain voluntary support from the employees that the union wants to represent. The reason being that the management might decided not to recognize the card checks practise on the basis that a union without a secret ballot election is not reliable hence employees that signed the card might have been intimidated or coerced by the union to do so.

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