The salinity of water samples from 4 separate sites in the Bimini Lagoon, Bahama

Question

The salinity of water samples from 4 separate sites in the Bimini Lagoon, Bahamas, was measured; the data are given below. (You can use statistical software, or better, calculate by hand or with a spreadsheet and check with software. Copying and pasting will avoid data entry errors.)

The salinity of water samples from the 4 separate sites in Bimini Lagoon, Bahamas, was measured; the data are given below. (You can use statistical software, or better, calculate by hand or with a spreadsheet and check with software. Copying and pasting will avoid data entry errors. Site 1 35.67 39.39 25.49 43.94 31.07 36.98 34.45 34.90 46.04 44.46 35.84 41 .88 Site 2: 41.88 35.21 40.82 42.27 33.35 34.44 29.99 37.11 36.98 35.34 35 76 Site 3: 45.30 47.66 49.27 46.32 42.71 46.99 47.29 55.98 Site 4: 46.05 44.10 37.46 43.81 35.30 49.20 29.30 36.38 42.70 38.87 44.89 Which null hypothesis, Ho, will be used to test whether the mean salinity is the same at all four sites? H1+H2+H3+H4 0 H1 H2 H3 H4. 1 pt(s Submit Answer Tries 0/1 What is the alternative hypothesis, HA? At least one Hi is not equal to the rest. H1+H2+H3+H4 0 H1 H1 H2 H3 H4 1 pt(s)] Submit Answer Tries 0/1 Calculate the test statistic. 2 pt(s) Submit Answer Tries 0/3

Explanation / Answer

Null hypothesis used would be

H0 : 1 = 2 = 3 = 4  i.e. option c

Alternative hypothesis would be at least one i is not equal to rest

So, option a

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