Question

In: Statistics and Probability

7. A farmer wishes to determine if a new fertilizer increases her tomato crop yield. She...

7. A farmer wishes to determine if a new fertilizer increases her tomato crop yield. She lays out seven plots and in each plot plants two tomato plants. One plant is given the new fertilizer and the other is given the fertilizer the farmer is currently using. The table below has the yield (in pounds).

Plot 1 2 3 4 5 6 7
New    5.3       6.1        5.7        8.4       3.7        9.4        9.2
Old     4.9        5.9        6.0        6.9       2.8        8.2        7.2

Make a 95% confidence interval for the difference between the mean yield of all plants with the new fertilizer and with the old fertilizer. Interpret the interval.



Solutions

Expert Solution

As above confidence interval contains 0, we conclude that the there is no difference yield of two fertilizers.

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orchestra answered 1 year ago
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