As part of an experiment to see how different types of soil cover would affect slicing tomato production, Marist College students grew tomato plants under different soil cover conditions. Groups of three plants each had one of the following treatments
• bare soil
• a commercial ground cover
• black plastic
• straw
• compost
All plants grew under the same conditions and were the same variety. Students recorded the weight (in grams) of tomatoes produced by each of the $n = 15$ plants:
Bare: $n_{1} = 3$ Ground cover: $n_{2} = 3$ Plastic: $n_{3} = 3$ Straw: $n_{4} = 3$ Compost: $n_{5} = 3$
2625 5348 6583 7285 6277
2997 5682 8560 6897 7818
4915 5482 3830 9230 8677
Create one-way ANOVA table

Question

As part of an experiment to see how different types of soil cover would affect slicing tomato production, Marist College students grew tomato plants under different soil cover conditions. Groups of three plants each had one of the following treatments
• bare soil
• a commercial ground cover
• black plastic
• straw
• compost
All plants grew under the same conditions and were the same variety. Students recorded the weight (in grams) of tomatoes produced by each of the $n = 15$ plants:
Bare: $n_{1} = 3$ Ground cover: $n_{2} = 3$ Plastic: $n_{3} = 3$ Straw: $n_{4} = 3$ Compost: $n_{5} = 3$
2625 5348 6583 7285 6277
2997 5682 8560 6897 7818
4915 5482 3830 9230 8677
Create one-way ANOVA table

Accepted Answer

According to the output, the P-value is $. 02$ . So, at the $5 %$ level of significance null hypothesis will be rejected. Thus, mean number of tomato production were different in the five different type of soil cover.

working-class	professional (middle incomes)	professional (wealthy)
17.8	$16.5$	$8.5$
$26.7$	$17.4$	$6.3$
$49.4$	$22.0$	$4.6$
$9.4$	$7.4$	$12.6$
$65.4$	$9.4$	$11.0$
$47.1$	$2.1$	$28.6$
19.5	15.4	15.4
51.2	13.9	9.3

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Bare: $n_{1} = 3$	Ground cover: $n_{2} = 3$	Plastic: $n_{3} = 3$	Straw: $n_{4} = 3$	Compost: $n_{5} = 3$
2625	5348	6583	7285	6277
2997	5682	8560	6897	7818
4915	5482	3830	9230	8677

Bare;	Ground cover;	Plastic;	Straw;	Compost;
2625	5348	6583	7285	6277
2997	5682	8560	6897	7818
4915	5482	3830	9230	8677

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Introductory Statistics

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