Grey-Seal Nursing. Grey seals are one of several types of earless seals. The length of time that a female grey seal nurses her pup is studied by S. Twiss et al. in the article “Variation in Female Grey Seal (Halichoerus grypus) Reproductive Performance Correlates to Proactive-Reactive Behavioural Types” (PLOS ONE 7(11): e49598. doi:10.1371/journal.pone.0049598). The average lactation (nursing) period of all earless seals is 23 days. A hypothesis test is to be performed to decide whether the mean lactation period of grey seals differs from 23 days. a. determine the null hypothesis. b. determine the alternative hypothesis. c. classify the hypothesis test as two tailed, left tailed, or right tailed.

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A: The quartiles Q1  Q2 and Q3 are medians of the data where Q2 is the median of the data and Q1 is the…

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A: Provided data is: n1=25 n2=30 M1=0.259 M2=0.237 s1=0.131 s2=0.128

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A:

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A: Correlation          Correlation is the process of studying the effect and cause of the relationship…

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A:

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Q: 8.49 Social interaction of mental patients. The Community Mental Health Journal (Aug. 2000)…

A:

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Q: Assume you are evaluating H0 using the t test. The df for determining tcrit are _________.

A:

Q: Peanut Allergies. In the article “Food Allergy Advice May Be Peanuts” (Science News, Vol. 174, No.…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.