Leaf surface area is an important variable in plant gas-exchange rates. Dry matter per unit surface area (mg/cm) was measured for trees raised under three different growing conditions. Let .a, and , represent the true mean dry matter per unit surface area for the growing conditions 1, 2, and 3, respectively. Suppose that the 95% T-K confidence intervals are given below. pifference H - Interval (-2.55, -0.55) (-2.74, -0.74) (-1.93, 0.07) Which of the following four statements do you think describes the relationship between Hg and ? OP: = Ha, and , differs from , and p- OP = H3, and g differs from , and py- O = H3, and , differs from , and py- O Al three 's are different from one another.

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Leaf surface area is an important variable in plant gas-exchange rates. Dry matter per unit surface area (mg/cm3) was measured for trees raised under three different growing conditions. Let u,, µ,, and u, represent the true mean dry matter per unit surface area for the growing conditions 1, 2, and 3, respectively. Suppose that the 95% T-K confidence intervals are
given below.
Difference
Interval
(-2.55, -0.55)
(-2.74, -0.74)
(-1.93, 0.07)
Which of the following four statements do you think describes the relationship between u,, H,, and u,?
O 4, = H2, and µz differs from H, and uz.
O µ, = µ3, and u, differs from µ, and uz.
O l, = H3, and u, differs from µ, and uz.
Ο μ, μ, 3
O All three u's are different from one another.
Transcribed Image Text:Leaf surface area is an important variable in plant gas-exchange rates. Dry matter per unit surface area (mg/cm3) was measured for trees raised under three different growing conditions. Let u,, µ,, and u, represent the true mean dry matter per unit surface area for the growing conditions 1, 2, and 3, respectively. Suppose that the 95% T-K confidence intervals are given below. Difference Interval (-2.55, -0.55) (-2.74, -0.74) (-1.93, 0.07) Which of the following four statements do you think describes the relationship between u,, H,, and u,? O 4, = H2, and µz differs from H, and uz. O µ, = µ3, and u, differs from µ, and uz. O l, = H3, and u, differs from µ, and uz. Ο μ, μ, 3 O All three u's are different from one another.
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