i www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsikasNW8D8A9PVVR18Z4766mukQengouPuJ6IEWNMG9szFIOinqVorYakEXmXWQSK2n8s CONFIDENCE INTERVALS AND HYPOTHESIS TESTING t distribution che ALEKS calculator to solve the following problems. Consider a t distribution with 29 degrees of freedom. Compute P (tz 1.47). Round your answer to at least three decimal places. P(t21.47)= ] Consider a t distribution with 23 degrees of freedom. Find the value of c such that P(-c
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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O CONFIDENCE INTERVALS AND HYPOTHESIS TESTING
t distribution
Use the ALCKS calculator to solve the following problems.
(a) Consider at distribution with 29 degrees of freedom. Compute P (tz 1.47). Round your answer to at least three decimal
places.
P(t2 1.47) ]
(b) Consider a t distribution with 23 degrees of freedom. Find the value of c such that P(-c<t<c) = 0.90. Round your answer
to at least three decimal places.
c= ]
Explanation
Check
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