Calculated the standard deviations of the two groups

Reference no: EM131046723

In a study on the role of music and the growth of tomato plants you planted 80 tomato plants. Half the plants grew without music, while the other half grew up with music. When the plants have reached full maturity you've measured and you got as average of 100 cm and 102 cm for the group without the group with music and music respectively. In addition, you have calculated the standard deviations of the two groups that are 9 cm for the group without music and 11 cm for the group with music. As the importance of this study is crucial for the future of the music world, you set your significance level 0.01.

However, after analysis you observe that tobs <tcrit. You then ask the question whether the fact of planting more plants will allow you to obtain significant differences. Show your digital way of thinking. In other words, use numbers to justify your answer.

Reference no: EM131046723

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