Question

6. ( left(^{*} ight) ) A random sample of 20 observations produced a sample mean of ( ar{x}=92.4 ) and ( s=25.8 ). What is the value of the standard error of ( ar{x} ) ? a. ( 4.6 ) b. ( 15.9 ) c. ( 1.3 ) d. ( 5.8 ) e. ( 2.6 )

          6. ( left(^{*}
ight) ) A random sample of 20 observations produced a sample mean of ( ar{x}=92.4 ) and ( s=25.8 ). What is the value of the standard error of ( ar{x} ) ?
a. ( 4.6 )
b. ( 15.9 )
c. ( 1.3 )
d. ( 5.8 )
e. ( 2.6 )

Added by David S.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sarvesh Somasundaram

10/09/2022

Step 1

Step 1: Calculate the standard error of x using the formula: standard error of x = standard deviation / sqrt(n) Show more…

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6. ( left(^{*} ight) ) A random sample of 20 observations produced a sample mean of ( ar{x}=92.4 ) and ( s=25.8 ). What is the value of the standard error of ( ar{x} ) ? a. ( 4.6 ) b. ( 15.9 ) c. ( 1.3 ) d. ( 5.8 ) e. ( 2.6 )

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6. ( left(^{*} ight) ) A random sample of 20 observations produced a sample mean of ( ar{x}=92.4 ) and ( s=25.8 ). What is the value of the standard error of ( ar{x} ) ? a. ( 4.6 ) b. ( 15.9 ) c. ( 1.3 ) d. ( 5.8 ) e. ( 2.6 )