MALE Count 18 MEAN 5.5 STANDARD DEVIATION 1.434572652 STANDARD ERROR 0.338132017 Confidence Interval 95% Level of Significance
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Question:
MALE
Count 18
MEAN 5.5
STANDARD DEVIATION 1.434572652
STANDARD ERROR 0.338132017
Confidence Interval 95%
Level of Significance 0.05
CONFIDENCE INTERVAL [4.787,6.213]
Lower Limit 4.795
Upper Limit 6.222
FEMALE
Count 4
MEAN 6.285
STANDARD DEVIATION 0.841
STANDARD ERROR 0.420327253
Confidence Interval 95%
Level of Significance 0.05
CONFIDENCE INTERVAL [4.948, 7.622]
Lower Limit 4.947
Upper Limit 7.623
Null hypothesis; Female Whale sharks are larger than male.
Alternative hypothesis; There is no significant difference between sexes
Question 3. Select an appropriate test, calculate the test statistic and p-value using Excel. Test statistic: P-value:
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