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Allisa [31]
3 years ago
14

A biologist wants to test whether chemically modifying a particular plant family will reduce their ability to retain water and m

oisture. In order to test this, a fixed volume of water is given to plants that have been chemically modified, and plants in a control group that have not been modified. The volume of moisture retained by each plant some time after is then recorded.
The statistics are given in the table below:

Volume of moisture retained
Group Sample Size Sample Mean (ml) Sample Standard Deviation (ml)
Control Group 24 146 114
Modified Group 23 106 115
At level of alpha = 0.05, the null hypothesis that chemical modification does not reduce the plant's ability to retain water and moisture is ________.
Mathematics
1 answer:
Alla [95]3 years ago
8 0

Answer:

the answer is 4.56

Step-by-step explanation:

because it is i use my mommy calculator

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