Es The Journal de Botanique reported that the mean height of Begonias grown while being treated with a particular nutrient is 36 centimeters. To check whether this is still accurate, heights are measured for a random sample of 22 Begonias grown while being treated with the nutrient. The sample mean and sample standard deviation of those height measurements are 38 centimeters and 11 centimeters, respectively. Assume that the heights of treated Begonias are approximately normally distributed. Based on the sample, can it be concluded that the population mean height of treated begonias, u, is different from that reported in the journal? Use the 0.10 level of significance. Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. Ho H :0 (b) Determine the type of test statistic to use. OSO (Choose one) ▼ O

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Question

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Es
The Journal de Botanique reported that the mean height of Begonias grown while being treated with a particular nutrient is 36 centimeters. To check whether
this is still accurate, heights are measured for a random sample of 22 Begonias grown while being treated with the nutrient. The sample mean and sample
standard deviation of those height measurements are 38 centimeters and 11 centimeters, respectively.
Assume that the heights of treated Begonias are approximately normally distributed. Based on the sample, can it be concluded that the population mean height
of treated begonias, u, is different from that reported in the journal? Use the 0.10 level of significance.
Perform a two-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.)
(a) State the null hypothesis H, and the alternative hypothesis H,.
Ho
H :0
(b) Determine the type of test statistic to use.
OSO
(Choose one) ▼
O<O
(c) Find the value of the test statistic. (Round to three or more decimal places.)
Transcribed Image Text:Es The Journal de Botanique reported that the mean height of Begonias grown while being treated with a particular nutrient is 36 centimeters. To check whether this is still accurate, heights are measured for a random sample of 22 Begonias grown while being treated with the nutrient. The sample mean and sample standard deviation of those height measurements are 38 centimeters and 11 centimeters, respectively. Assume that the heights of treated Begonias are approximately normally distributed. Based on the sample, can it be concluded that the population mean height of treated begonias, u, is different from that reported in the journal? Use the 0.10 level of significance. Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. Ho H :0 (b) Determine the type of test statistic to use. OSO (Choose one) ▼ O<O (c) Find the value of the test statistic. (Round to three or more decimal places.)
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