AIOU OLD PAPERS CODE 395 AUTUMN 2014


OLD PAPERS CODE 395 AUTUMN 2014 INTERMEDIATE

Old and past paper of code 395 statistics – II for the semester autumn 2014 for the students of Allama Iqbal Open University Islamabad. This paper has 8 questions and first question is compulsory, this has 20 marks and related with fill in the blanks.

Q 01:
i) The limits µ ± 0.6745 include……. Percent area under the normal curve.
ii) In a normal distribution QD ………. Σ
iii) Sampling ……….. is a complete list of the sampling units.
iv) The precision of confidence interval is increased by …………. The level of confidence.
v) The ……………. Hypothesis never contains the sign of equality and is always in an inequality form.
vi) The confidence coefficient is also called ………… of confidence.
vii) The ………… regression line always passes through (X bar, Y bar).
viii) The observations made on objects regarding an attribute are called ……… data.
ix) In a chi-square test for independence, no expected frequency should be …….. than 5.
x) The most common type of computer memory is called.





Q 2:
A) Write down the equation (pdf) of normal distribution. Also tell when the normal distribution changes into standard normal distribution.
B) In normal distribution mean is 250 and standard deviation is 100. Find:
i) P(150 ≤ x ≤ 270)
ii) P(x ≥ 180 )

you can view your old paper for this course in hard form, we will keep continue to upload all facilitated material for your assistance.

CODE 395 OLD PAPER STATISTICS – II

aiou old paper code 395 autumn 2014 copy


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