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Biology
Posted 7 months ago
write the null and alternative hyphothesis for the folowing question with symbol and in words"does longer gestation period (the time that an embryo spends developing inside the womb) in mammalso lead to higher cognitive function than other mammals with shorter gestation periods of less than 2 months?
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Answer from Sia
Posted 7 months ago
Answer
The null hypothesis states there is no relationship between gestation period length and cognitive function in mammals, while the alternative hypothesis states that a longer gestation period is associated with higher cognitive function in mammals.
Solution
a
Null Hypothesis (H0): The length of the gestation period in mammals is not related to their cognitive function. In symbols: H0:μlong=μshortH_0: \mu_{\text{long}} = \mu_{\text{short}}, where μlong\mu_{\text{long}} is the mean cognitive function score of mammals with gestation periods longer than 2 months, and μshort\mu_{\text{short}} is the mean cognitive function score of mammals with gestation periods of less than 2 months
b
Alternative Hypothesis (H1): Mammals with longer gestation periods have higher cognitive function than those with shorter gestation periods. In symbols: H1:μlong>μshortH_1: \mu_{\text{long}} > \mu_{\text{short}}
Key Concept
Hypothesis Testing
Explanation
In hypothesis testing, the null hypothesis typically represents no effect or no difference, while the alternative hypothesis represents the effect or difference the researcher is testing for.

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