Question text 6Marks The index model has been estimated for stocks A and B with the following results: RA = 0.01 + 0.8RM + eA. RB = 0.02 + 1.2RM + eB. σM = 0.30; σ(eA) = 0.20; σ(eB) = 0.10. The covariance between the returns on stocks A and B is Answer 6[select: , 0.0384, 0.086, 0.1920, 0.0050, 0.4000] The Standard Deviation for Stock A Answer 7[select: , 31.24%, 23.66%, 5.76%, 9.72%, 15.9%] The Standard Deviation for Stock B Answer 8[select: , 37.36%, 21.02%, 7.76%, 8.32%, 12.45%] Notes Report question issue Question 7 Notes多项填空题

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Question text 6Marks The index model has been estimated for stocks A and B with the following results: RA = 0.01 + 0.8RM + eA. RB = 0.02 + 1.2RM + eB. σM = 0.30; σ(eA) = 0.20; σ(eB) = 0.10. The covariance between the returns on stocks A and B is Answer 6[select: , 0.0384, 0.086, 0.1920, 0.0050, 0.4000] The Standard Deviation for Stock A Answer 7[select: , 31.24%, 23.66%, 5.76%, 9.72%, 15.9%] The Standard Deviation for Stock B Answer 8[select: , 37.36%, 21.02%, 7.76%, 8.32%, 12.45%] Notes Report question issue Question 7 Notes

Question text 9Marks A trader establishes an option-trading strategy as follows:one long put option with a strike price of $44, which has a premium of $10.40, two short put options with a strike price of $36, each put having a premium of $5.30, and two long put options with a strike price of $30, each put having a premium of $2.50. The upfront cost to establish this strategy is Answer 1[input]. Do not enter a +ve or -ve sign for this answer. Just enter the dollar amount to 2 decimal places. Do not enter the dollar sign ($).In the following questions, enter all answers to 2 decimal places.If the payoff is negative, be sure to enter the negative sign.Be careful to differentiate betweem gross payoff and net payoffs.Do not enter the dollar sign ($).if the underlying share price at expiry is $33:The gross payoff on the long $44 put option is Answer 2[input]Taken together, the gross payoff on the two short $36 put options is Answer 3[input]Taken together, the gross payoff on the two long $30 put options is Answer 4[input]The gross payoff to the option-trading strategy is Answer 5[input]If the underlying share price at expiry is $27:The gross payoff on the long $44 put option is Answer 6[input]Taken together the gross payoff on the two short $36 put options is Answer 7[input]Taken together, the gross payoff on the two long $30 put options is Answer 8[input]The gross payoff to the option-trading strategy is Answer 9[input]Taking the upfront establishment cost into account, there are three breakeven points for this option-trading strategy.In the three boxes below, enter the breakeven points in order from lowest to highest.Answer 10[input], Answer 11[input] and Answer 12[input].Do not enter the dollar sign ($) anywhere in this question. Enter answers to 2 decimal places.Notes Report question issue Question 28 Notes

A researcher reviews five studies testing whether a new revision technique improves exam results. All five studies find results in the predicted direction, but all five have p-values above .05. The researcher concludes: “Because none of the individual studies was statistically significant, the research literature shows that the technique has no effect.” What is the main problem with this reasoning?

Which of the following statements about test statistics is true?

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