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STA301 statistics and probability Online Quiz No. 01 Spring 2014 Solution and Discussion Due Date:May 09, 2014 11:59 PM

Opening Date: May 08, 2014 12:00 AM

Due Date May 09, 2014 11:59 PM

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Replies to This Discussion

Here is mine.

The value of the middle term in a ranked (ordered) data set is called the:
Mode
Mean
*Median
Harmonic mean

Which of the following is a true statement about the median?
It is always one of the data values
It is influenced by extreme values
Fifty percent of the observations are larger than the median
*It is the middle value of the data values

For a stem-and-leaf display
Make sure the stem value is only one digit

Which of the following is not a graph of Quantitative Variable?
Pie Chart

The weights of 7 students were measured and recorded as follows: 53.0, 54.5, 57.2 51.7, 57.4, 50.5, 52.8 The stem part is:
5,4,5,8,7

In case of a frequency distribution, the 7th decile is given by the formula:
l+ h/f (7n/10-c)

Which of the following relationship is true in a symmetrical distribution?
None of the above

Calculate range for the following data: 10, 32, 33, 34, 37, 42, 55,58, 70
20

Which of the display of the data is divided into two parts?
Stem and leaf display

Which of the following is a systematic arrangement of data into rows and columns?
Bar chart

Juste  thanks for sharing ...keep it up 

sumaira shabbir gud keep it up & thanks for sharing 

Note for All Members: You don’t need to go any other site for this assignment/GDB/Online Quiz solution, Because All discussed data of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

my pleasure sir

STA301 statistics and probability Online Quiz .01

STA301 statistics and probability

Online Quiz .01 



Opening Date: May 08, 2014 12:00 AM




Due Date: May 09, 2014 11:59 PM

Question # 1 of 10 ( Start time: 07:27:06 PM ) Total Marks: 1
Dividing mean deviation by mean we get a pure number known as
Select correct option:
Co-efficient of mean deviation*(ans)
Co-efficient
Co-efficient of quartile deviation
None of the above

Question # 2 of 10 ( Start time: 07:28:06 PM ) Total Marks: 1
Formula for Semi Interquartile Range is:
Select correct option:
(Q3-Q1)/2*(ans)
(Q1+Q3)/2
(Q1-Q3)
(Q1+Q3)

Question # 3 of 10 ( Start time: 07:29:25 PM ) Total Marks: 1
Which scale will you use to measure the temperature?
Select correct option:
Nominal scale
Interval scale*(ans)
Ratio scale
Ordinal scale

Question # 4 of 10 ( Start time: 07:30:57 PM ) Total Marks: 1
If Xo is the smallest value and Xm is the largest value in a data set then, range is defined by the relation:
Select correct option:
Xo
Xm
Xm-Xo*(ans)
Xo-Xm

Question # 5 of 10 ( Start time: 07:32:14 PM ) Total Marks: 1
Half of the observations are always larger than:
Select correct option:
Mean*(ans)
Median
Mode
Total

Question # 6 of 10 ( Start time: 07:32:55 PM ) Total Marks: 1
The difference between estimated value and the population value is called
Select correct option:
Sampling Error
Non Random Error
Non Sampling Error
Random Error*(ans)

Question # 7 of 10 ( Start time: 07:34:23 PM ) Total Marks: 1
The sum of squared deviations from mean is:
Select correct option:
Maximum
Minimum
Zero*(ans)
Undefined

Question # 8 of 10 ( Start time: 07:35:01 PM ) Total Marks: 1
For the given data 20, 13, 27, 0, -8 G. M will be:
Select correct option:
Negative*(ans)
Positive
Zero
Undefined

Question # 9 of 10 ( Start time: 07:36:02 PM ) Total Marks: 1
What is the median for the following data: 1,1,2,2,5,5,7,7,7
Select correct option:
1
2
5*(ans)
7

When the deviations (excesses and defects) from the true value tend to occur equally, it is called:
Select correct option:
Unbiased error*(ans)
Biased error
Systematic error
Mistake

See the attached file please 

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