SEX: Sex (1=Male 2=Female) WEIGHT: Body Weight (kg) 1 61.236 1 79.38 1 99.792 1 81.648...

SEX: Sex (1=Male 2=Female)	WEIGHT: Body Weight (kg)
1	61.236
1	79.38
1	99.792
1	81.648
1	72.576
1	61.236
1	83.916
1	97.524
1	88.452
1	79.38
2	57.607
2	64.184
2	63.958
2	133.358
2	62.143
2	58.968
2	58.514
2	61.69
2	107.503
2	83.009

Open Brain data. Claim: Male and female subjects have different weight.

9. What test/procedure did you perform?

a. One-sided t-test
b. Regression
c. Two-sided t-test
d. Confidence interval

10. What is the P-value/margin of error?

a. 0.450365624
b. 1.10877E-11
c. 0.562150232
d. 0.281075116
e. None of these

11. Statistical interpretation

a. The 95% confidence interval does not contain the averages.
b. Since P-value is small we can conclude that the two variables have different averages.
c. Since P-value is too large we cannot claim that there is connection between two variables.
d. Since P-value is small we can claim that there is connection between two variables.
e. None of these

12. Conclusion

a. Yes, I am confident that the averages are different.
b. No, I cannot claim that the average are different.

Solutions

Expert Solution

orchestra answered 1 year ago

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