An investigation of water plant growth compares theheights (in inches) of a species of plant growing in twodifferent lakes. The null hypothesis is H0: m1 = m2. Hereare the summaries of the data collected:What are the mean and standard error of the samplingdistribution for the difference in sample means to be usedby the hypothesis test?A) 0 and 0.888 B) 0 and 1.5 C) 0 and 4.44D) 1 and 0.888 E) 1 and 4.44Mean StdDev nLake 1 8.6 3.8 25Lake 2 7.6 2.3 25

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An investigation of water plant growth compares the
heights (in inches) of a species of plant growing in two
different lakes. The null hypothesis is H0: m1 = m2. Here
are the summaries of the data collected:What are the mean and standard error of the sampling
distribution for the difference in sample means to be used
by the hypothesis test?
A) 0 and 0.888 B) 0 and 1.5 C) 0 and 4.44
D) 1 and 0.888 E) 1 and 4.44Mean StdDev n
Lake 1 8.6 3.8 25
Lake 2 7.6 2.3 25

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