Please help me with this question!! 6-5 #14 View PoliciesCurrent Attempt in ProgressDo Hands Adapt to Water?Researchers in the UK designed a study to determine if skin wrinkled from submersion in water performed better at handling wetobjects.1 They gathered 20 participants and had each move a set of wet objects and a set of dry objects before and after submergingtheir hands in water for 30 minutes (order of trials was randomized). The response is the time (seconds) it took to move the specificset of objects with wrinkled hands minus the time with unwrinkled hands. The mean difference for moving dry objects was 0.85seconds with a standard deviation of 11.5 seconds. The mean difference for moving wet objects was – 15.1 seconds with astandard deviation of 13.4 seconds."Kareklas, K., Nettle, D., and Smulders, T.V., “2013 VWaterinduced finger wrinkles improve handling of wet objects." Biol. Lett vol 9(2013).(a) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at movingdry objects.State the null and alternative hypotheses.Use lj for lain the response area.:: µ1:: µ2:: =:: >: p: pi: P2:: 0:: p:: x1:: x2: p:: P1:: P2:: rHo:vs Ha:eTextbook and Media(b) Calculate the relevant test statistic.Round your answer to two decimal places.t-statistic =ieTextbook and Media(c) Find the p-value.Round your answer to three decimal places.p-value =ieTextbook and Media(d) What is the conclusion?O Reject Ho.O Do not reject Ho.eTextbook and Media(e) Do we have evidence to conclude wrinkled hands are significantly faster at picking up dry objects?O YesO NoeTextbook and Media(f) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at movingwet objects.State the null and alternative hypotheses.Use u forin the response area.:: #:: <: µ1: µ2: p:: pi:: P2:: 0:: x:: x1:: x2: p: P1:: P2:: rНо:vs Ha:eTextbook and Media(g) Calculate the relevant test statistic.Round your answer to two decimal places.t-statistic =ieTextbook and Media(h) Find the p-value.Round your answer todecimal places.p-value =ieTextbook and Media(i) What is the conclusion?O Reject Ho.O Do not reject Ho.eTextbook and Media(j) Do we have evidence to conclude that wrinkled hands are significantly faster at picking up wet objects?O YesO NoeTextbook and Media::

The mean difference between the sample mean and standard deviation is given, the test statistics is…

(e) Do we have evidence to conclude wrinkled hands are significantly faster at picking up dry objects? O Yes O No eTextbook and Media (f) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at moving t objects. State the null and alternative hypotheses. Use uj for ua in the response area. :: Pi :: P2 :: p :: x1 :: 0 :: x :: = :: < :: > :: u : µ2 : x2 : P1 : P2 :: r Ho: vs Ha:

(e) Do we have evidence to conclude wrinkled hands are significantly faster at picking up dry objects? O Yes O No eTextbook and Media (f) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at moving t objects. State the null and alternative hypotheses. Use uj for ua in the response area. :: Pi :: P2 :: p :: x1 :: 0 :: x :: = :: < :: > :: u : µ2 : x2 : P1 : P2 :: r Ho: vs Ha:

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.

Question

Please help me with this question!! 6-5 #14

View Policies
Current Attempt in Progress
Do Hands Adapt to Water?
Researchers in the UK designed a study to determine if skin wrinkled from submersion in water performed better at handling wet
objects.1 They gathered 20 participants and had each move a set of wet objects and a set of dry objects before and after submerging
their hands in water for 30 minutes (order of trials was randomized). The response is the time (seconds) it took to move the specific
set of objects with wrinkled hands minus the time with unwrinkled hands. The mean difference for moving dry objects was 0.85
seconds with a standard deviation of 11.5 seconds. The mean difference for moving wet objects was – 15.1 seconds with a
standard deviation of 13.4 seconds.
"Kareklas, K., Nettle, D., and Smulders, T.V., “2013 VWaterinduced finger wrinkles improve handling of wet objects." Biol. Lett vol 9
(2013).
(a) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at moving
dry objects.
State the null and alternative hypotheses.
Use lj for la
in the response area.
:: µ1
:: µ2
:: =
:: >
: p
: pi
: P2
:: 0
:: p
:: x1
:: x2
: p
:: P1
:: P2
:: r
Ho:
vs Ha:
eTextbook and Media
(b) Calculate the relevant test statistic.
Round your answer to two decimal places.
t-statistic =
i
eTextbook and Media
(c) Find the p-value.
Round your answer to three decimal places.
p-value =
i
eTextbook and Media
(d) What is the conclusion?
O Reject Ho.
O Do not reject Ho.
eTextbook and Media
(e) Do we have evidence to conclude wrinkled hands are significantly faster at picking up dry objects?
O Yes
O No
eTextbook and Media
(f) Perform the appropriate test to determine if the wrinkled hands were significantly faster than unwrinkled hands at moving
wet objects.
State the null and alternative hypotheses.
Use u for
in the response area.
:: #
:: <
: µ1
: µ2
: p
:: pi
:: P2
:: 0
:: x
:: x1
:: x2
: p
: P1
:: P2
:: r
Но:
vs Ha:
eTextbook and Media
(g) Calculate the relevant test statistic.
Round your answer to two decimal places.
t-statistic =
i
eTextbook and Media
(h) Find the p-value.
Round your answer to
decimal places.
p-value =
i
eTextbook and Media
(i) What is the conclusion?
O Reject Ho.
O Do not reject Ho.
eTextbook and Media
(j) Do we have evidence to conclude that wrinkled hands are significantly faster at picking up wet objects?
O Yes
O No
eTextbook and Media
::

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