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BUAL 2650 Final || Questions and 100% Verified Answers. $9.99   Add to cart

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BUAL 2650 Final || Questions and 100% Verified Answers.

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  • Course
  • BUAL 2650
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  • BUAL 2650

Tests of Significant Must Haves correct answers random sample normal distribution confidence level p value approach hypotheses correct answers Ho: p = Po Ha : p > Po Ha : p < Po Ha : p ≠ Po confidence level correct answers The probability that the interval estimate will include...

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  • November 2, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BUAL 2650
  • BUAL 2650
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BUAL 2650 Final || Questions and 100% Verified Answers.
Tests of Significant Must Haves correct answers random sample
normal distribution
confidence level

p value approach hypotheses correct answers Ho: p = Po

Ha : p > Po
Ha : p < Po
Ha : p ≠ Po

confidence level correct answers The probability that the interval estimate will include the
population parameter of interest, such as a mean or a proportion.

Po = correct answers hypothesized population

^p = correct answers sample population

z = correct answers ^p - Po / √(Po)(qo) / n

P-value < α → correct answers reject H0 → conclude Ha

P-value > α correct answers → fail to reject H0 → cannot conclude Ha

P value test conclusion correct answers Results are/are not statistical significant at α =.05 and
conclude.....

If null hypothesis is true... correct answers you will get p value < .01 about one in a hundred
times

T distributions: correct answers symmetric
single peak
more area in tails

Assumptions & Conditions for T distributions correct answers independence assumption
randomization assumption
normal distribution

robust CI correct answers if confidence level or p value does not change very much when
conditions for use of procedure are violated

hypothesis for one mean t test correct answers Ho: U = Uo
Ha: U ><≠ Uo

Uo = correct answers hypothesized difference of means

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