The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.54 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of t after the campaign shows the following consumption in liters: 1.35 1.68 HO: US H1:p> 1.76 2.00 Reject H0 if t> 1.84 1.84 1.50 1.82 At the 0.050 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. Click here for the Excel Data File a. State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.) 1.86 b. State the decision rule for 0.050 significance level. (Round your answer to 3 decimal places.) do that water consumption has 1.60 d. At the 0.050 level, can we conclude that water consumption has increased? c. Compute the value of the test statistic. (Round your intermediate and final answer to 3 decimal places.) Value of the test statistic

Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
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The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.54 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults
after the campaign shows the following consumption in liters:
1.35
1.68
HO: US
H1:p>
1.76
Reject HO if t>
2.00
1.84
Value of the test statistic
1.84
At the 0.050 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value.
57
Click here for the Excel Data File
a. State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.)
1,50
b. State the decision rule for 0.050 significance level. (Round your answer to 3 decimal places.)
1.82
c. Compute the value of the test statistic. (Round your intermediate and final answer to 3 decimal places.)
d. At the 0.050 level, can we conclude that water consumption has increased?
HO and conclude that water consumption has
en
AUO
14
1.86
a
1.60
O
tv
NOT
C
F6
2
MacBook Air
F7
13
DII
F8
A
F9
W
F10
X
e
F11
Transcribed Image Text:The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.54 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.35 1.68 HO: US H1:p> 1.76 Reject HO if t> 2.00 1.84 Value of the test statistic 1.84 At the 0.050 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. 57 Click here for the Excel Data File a. State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.) 1,50 b. State the decision rule for 0.050 significance level. (Round your answer to 3 decimal places.) 1.82 c. Compute the value of the test statistic. (Round your intermediate and final answer to 3 decimal places.) d. At the 0.050 level, can we conclude that water consumption has increased? HO and conclude that water consumption has en AUO 14 1.86 a 1.60 O tv NOT C F6 2 MacBook Air F7 13 DII F8 A F9 W F10 X e F11
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