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Author Question: Provide an appropriate response. Round the test statistic to the nearest thousandth.A brokerage firm ... (Read 62 times)

@Brianna17

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on: Jan 16, 2020
Provide an appropriate response. Round the test statistic to the nearest thousandth.

A brokerage firm needs information concerning the standard deviation of the account balances of its customers. From previous information it was assumed to be $250. A random sample of 61 accounts was checked. The standard deviation was $286.20. At α = 0.01, test the firm's assumption. Assume that the account balances are normally distributed.
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by @Brianna17 on Jan 16, 2020

sultansheikh

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Reply #1 on: Jan 16, 2020
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@Brianna17

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review

skipfourms123

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Reply 3 on: Yesterday
Wow, this really help

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