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Author Question: In the late 1890s, scientists first noted that the frequency of a crickets chirps is related to air ... (Read 81 times)

zl00505

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on: Feb 26, 2023
In the late 1890s, scientists first noted that the frequency of a cricket’s chirps is related to air temperature. For each of 30 crickets, the frequency of chirping (in chirps per minute) and the air temperature (in degrees Fahrenheit) were recorded, and a regression analysis was performed.

​

The regression equation is

temperature = 35.78 + 0.2512 chirps/min

​

S = 1.21526 R-Sq = 95.7% R-Sq(adj) = 95.5%

​

Analysis of Variance

​

Source       DF        SS        MS        F       P

Regression    1   914.570   914.570   619.27   0.000

Error        28    41.352     1.477

Total        29   955.922

​

Given that Sxx= 14,497.9 and\(\style{font-family:Times New Roman;}{\overline x=}\)117.067, what is a 95% confidence interval for the mean air temperature when a cricket is chirping at a frequency of 120 chirps per minute?


◦

(66.539, 67.301)


◦

(63.818, 68.022)


◦

(65.462, 66.379)


◦

(62.389, 67.451)

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Marked as best answer by zl00505 on Feb 26, 2023

sadoniam

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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zl00505

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

lcapri7

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Reply 3 on: Yesterday
Gracias!

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