Heights of Volcanoes A random sample of heights (in feet) of active volcanoes in North America, outside of Alaska, is shown. Is there sufficient evidence that the standard deviation in heights of volcanoes outside Alaska is less than the standard deviation in heights of Alaskan volcanoes, which is 2385.9 feet? Use α = 0.10. Use a graphing calculator with the program SDHYP and the P-value method. Assume that the variable is approximately normally distributed. 10,777 8159 11,240 10,456 8363 (a) State the hypotheses and identify the claim with the correct hypothesis. (b) Find the P-value. (c) Make the decision. (d) Summarize the results.
Heights of Volcanoes A random sample of heights (in feet) of active volcanoes in North America, outside of Alaska, is shown. Is there sufficient evidence that the standard deviation in heights of volcanoes outside Alaska is less than the standard deviation in heights of Alaskan volcanoes, which is 2385.9 feet? Use α = 0.10. Use a graphing calculator with the program SDHYP and the P-value method. Assume that the variable is approximately normally distributed. 10,777 8159 11,240 10,456 8363 (a) State the hypotheses and identify the claim with the correct hypothesis. (b) Find the P-value. (c) Make the decision. (d) Summarize the results.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Heights of Volcanoes A random sample of heights (in feet) of active volcanoes in North America, outside of Alaska, is shown. Is there sufficient evidence that the standard deviation in heights of volcanoes outside Alaska is less than the standard deviation in heights of Alaskan volcanoes, which is 2385.9 feet? Use α = 0.10. Use a graphing calculator with the program SDHYP and the P-value method. Assume that the variable is approximately
10,777
|
8159
|
11,240
|
10,456
|
8363
|
(a) State the hypotheses and identify the claim with the correct hypothesis.
(b) Find the P-value.
(c) Make the decision.
(d) Summarize the results.
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