




Card 6 / 18:
According to the Internal Revenue Service, the average length of time for an individual to complete (keep records for, learn, prepare, copy, assemble, and send) IRS Form 1040 is 10.53 hours (without any attached schedules). The distribution is unknown. Let us assume that the standard deviation is two hours. Suppose we randomly sample 36 taxpayers.
In words, Χ = _____________In words, X ¯ = _____________X ¯ ~ _____(_____,_____)Would you be surprised if the 36 taxpayers finished their Form 1040s in an average of more than 12 hours? Explain why or why not in complete sentences.Would you be surprised if one taxpayer finished his or her Form 1040 in more than 12 hours? In a complete sentence, explain why.

Keyboard Shortcuts
Previous Card 
← Previous Card Button 
Next Card 
→ Next Card Button 
Flip Card 
↑ / ↓ / Return / Space 
Questions & Answers
pls I need understand this statistics very will is giving me problem
Sixtyfour third year high school students were given a standardized reading comprehension test. The mean and standard deviation obtained were 52.27 and 8.24, respectively. Is the mean significantly different from the population mean of 50? Use the 5% level of significance.
how do I find the modal class
look for the highest occuring number in the class
Kusi
the probability of an event occuring is defined as?
The probability of an even occurring is
expected event÷ event being cancelled
or
event occurring / event not occurring
Gokuna
Simple Bar Chart is a Diagram which shows the data values in form of horizontal bars. It shows categories along yaxis and values along xaxis. The xaxis displays above the bars and yaxis displays on left of the bars with the bars extending to the right side according to their values.
Muhammad
statistics is percentage only
the first word is chance for that we use percentages
muhammad
it is not at all that statistics is a percentage only
Shambhavi
how to calculate sample needed
mole of sample/mole ratio
or
Va
Vb
Gokuna
how to I solve for arithmetic mean
Yeah. for you to say.
James
how do I solve for arithmetic mean
please answer these questions
niharu
add all the data and divide by the number of data sets. For example, if test scores were 70, 60, 70, 80 the total is 280 and the total data sets referred to as N is 4. Therfore the mean or arthritmatic average is 70. I hope this helps.
Jim
*Tan A  Tan B = sin(AB)/CosA CosB ...
*2sinQ/Cos 3Q = tan 3Q  tan Q
what is subjective probability
how to calculate the Steadman rank correlation
David
what is sampling? i want to know about the definition of sampling.
In terms of Statistics or Research , It is a subset of population for measurement.
Da
Source:
OpenStax, Introductory statistics. OpenStax CNX. May 06, 2016 Download for free at http://legacy.cnx.org/content/col11562/1.18
Flash Cards plugin by Curtis Blackwell github.com/curtisblackwell/flash_cards
Google Play and the Google Play logo are trademarks of Google Inc.