Hons 3rd year suggestion 2020 management business statistics

 Hons 3rd year suggestion 2020

management 

business statistics 

232603

A part 

What is data array 

Define primary data 

what is histogram 

what is frequency density 

what  is business statistics 

what is data 

who invented the stem and  leaf display 

what is central tendency 

what is mode 

what is stem  leaf display 

when mode is ill defind

what is median 

what is the empirical relationship among airthmetic mean media and mode 

what is five numbers summary 

Define skewness

which index mumber has  no upwrd and downwrd tendency 

what is probability  

Define random variable 

when is meant by type II error 

Define sampking 

what is sampling error 

what is null hypothesis 

what is creitical value 

what is dependent variable 

what is scatter 

write down the components of time series 

what is time series

which index number is ideal index number.

what is value of index number 

part b 

what is bi variate frequency distribution 

Show the differencess between primary and secondardy data. 

Distinguish betweeb skewness and kurtosis 

why standard deviation is considerded to be the best measure

state the additiob and multiplication theory of probability 

show the difference between population and sample 

 Wtite down the significsnce of measuring correlation 

write is time significance of measuring correlation 

disiting between price index and cost of living index.

Draw a pie- chart form the following data nu 2000.14.17 

construct a stem and leaf diagram form the following data nu 18 

The mean ofb100 works in a factory runing in two shifts of 60 and 40 workers resoectively is tk.38. the mean wage of 60 workers working in the morning ---- nu 11

The avarge marks of 39 students of a class is 50. ---- nu 12

In a moderately skewed frequency distrubution the meab in tk 15and  the median is tk 14.---- nu 13 

For a group of 20 items --- nu18:

4 cards are down form a pack of 52 cards wirhout ---- nu 12

a bag conains 7 red 12 white and 4 white green balls.---- nu 16 

The mean of a binomai distribution is 40 and standard ---- nu 11

The following data indicates the values of rhe variables x and y  nu 11

fit the trend values 3 years moving  a average for the following data nu 14

Part C 

what are the nethod of collectiong primary data

write down the important characteristics of statistics 

Discuss the various methods of sampling 

Distinguish between absolute and relative measures of dispersion

Define index number.which index number is called ideal why 

The following data respresenr the marks is business mathematics x and business statistics y of 15 students nu 11

The mean of 200 was 50. later on it was found two --- nu 12

Form the following table --- nu 18 

The average weekly wages and standard ---nu 18

Find out skewness of the following data--- nu 18

A telephoone operator receives 3 telephone--- nu 18

In a simple random sample of 600 men-- nu 12.16 

Following figures give the rainfall in inches--- nu 15.16 

Fit a straight line trend by the method of least --- nu 14 

Form the following data fit a trend  line by the method of least -nu 16 

Compute Fishrs index number the following --- nu 14 

Form the following information --- nu 16 

Calculate the cost of living index --- nu 18