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1) Does the three t-tests support the hypothesis: of manipulating light exposure will influence the flowering time of Brassica rapa plants by using light from the sun and using incandescent bulbs, or not? If it did not support the hypothesis, then what changes would you make?     2) Do these three t-tests have different growth rates?     3) Is there anything to learn about this study of the graphs and t-tests?

1) Does the three t-tests support the hypothesis: of manipulating light exposure will influence the flowering time of Brassica rapa plants by using light from the sun and using incandescent bulbs, or not? If it did not support the hypothesis, then what changes would you make?     2) Do these three t-tests have different growth rates?     3) Is there anything to learn about this study of the graphs and t-tests?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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    1) Does the three t-tests support the hypothesis: of manipulating light exposure will influence the flowering time of Brassica rapa plants by using light from the sun and using incandescent bulbs, or not? If it did not support the hypothesis, then what changes would you make?

    2) Do these three t-tests have different growth rates?

    3) Is there anything to learn about this study of the graphs and t-tests? 

Leaf Final Count 006 in N 1 0 Graph 3: Group 1 How many leafs the plant had: The values for the final leaf count indicated that Group 1 the control group had more leaves than Group 2 because Group 1 was exposed to the sun while Group 2 the experimental group was under incandescent lightbulbs Leaves of a Brassica Rapa Group 2 T Test: Two-Sample Assuming Unequal Variances Mean Variance Observati Hypothesi Solution A Solution B) Plain Water 5 3 14 6.443333 4 0 3 df t Stat 0.333501 P(T<=t) or 0.444532 t Critical o 1.524363 P(T<=t) tw 0.363785 t Critical t 4.485463 4
Transcribed Image Text:Leaf Final Count 006 in N 1 0 Graph 3: Group 1 How many leafs the plant had: The values for the final leaf count indicated that Group 1 the control group had more leaves than Group 2 because Group 1 was exposed to the sun while Group 2 the experimental group was under incandescent lightbulbs Leaves of a Brassica Rapa Group 2 T Test: Two-Sample Assuming Unequal Variances Mean Variance Observati Hypothesi Solution A Solution B) Plain Water 5 3 14 6.443333 4 0 3 df t Stat 0.333501 P(T<=t) or 0.444532 t Critical o 1.524363 P(T<=t) tw 0.363785 t Critical t 4.485463 4
Plants in (cm) 9 8 7 6 0 Plant Development in (cm) Graph 1: Graph 2: 14 12 10 8 0 Plants Height: The control group is Group 1 (red) was growing the first week and continued to grow as the weeks went on while the experiment group- Group 2 (green) did not grow at until week 2. Brassica Rapa Plant Height LLL 2 3 Each Week's Time of The Study Group 1 Group2 T Test: Two-Sample Assuming Unequal Variances 1 2 3 4 5 (Group 1) (Group 2) 8.64 1.12 22.733 1.567 6 Mean Variance Observati Hypothesi df t Stat 2.686738 P(T<=t) or 0.135906 t Critical o 2.142847 P(T<=t) tw 0.187181 t Critical t 3.136445 Growth: Group 2 the experimental group (green) does not have many surviving plants when exposed to incandescent bulbs; only 4 survived. The ones in red exposed to the sun grew fast and all of them stayed alive Growth of Brassica rapa plant T Test: Two-Sample Assuming Unequal Variances Control Gr Experimental Group (Group 2) Mean 7.5 2.025 Variance 9.373647 0.488233 Observati 3 Hypothesi 3 0 4 6 0 3 df t Stat 3.384438 P(T<=t) or 0.384875 t Critical o 2.484665 P(T<=t) tw 0.132534 t Critical t 2.383836
Transcribed Image Text:Plants in (cm) 9 8 7 6 0 Plant Development in (cm) Graph 1: Graph 2: 14 12 10 8 0 Plants Height: The control group is Group 1 (red) was growing the first week and continued to grow as the weeks went on while the experiment group- Group 2 (green) did not grow at until week 2. Brassica Rapa Plant Height LLL 2 3 Each Week's Time of The Study Group 1 Group2 T Test: Two-Sample Assuming Unequal Variances 1 2 3 4 5 (Group 1) (Group 2) 8.64 1.12 22.733 1.567 6 Mean Variance Observati Hypothesi df t Stat 2.686738 P(T<=t) or 0.135906 t Critical o 2.142847 P(T<=t) tw 0.187181 t Critical t 3.136445 Growth: Group 2 the experimental group (green) does not have many surviving plants when exposed to incandescent bulbs; only 4 survived. The ones in red exposed to the sun grew fast and all of them stayed alive Growth of Brassica rapa plant T Test: Two-Sample Assuming Unequal Variances Control Gr Experimental Group (Group 2) Mean 7.5 2.025 Variance 9.373647 0.488233 Observati 3 Hypothesi 3 0 4 6 0 3 df t Stat 3.384438 P(T<=t) or 0.384875 t Critical o 2.484665 P(T<=t) tw 0.132534 t Critical t 2.383836
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