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Who got the 4th rank in Psychometric test?

What are the fundamental differences between primary data and secondary data?

If A = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Relation R from A to A is given by R = {(x, y):y = x + 3}. Find domain, co-domain and range of R.

What is the meaning of the underlined phrase?

The government is skirting around the problem of inflation without directly investigating the causes.

State the importance of Statistics in Business.

Distinguish between quantitative and qualitative data.

Give two examples of quantitative data.

From the data given below state which group is more variable, A or B ?

$\begin{array}{cccccccc}\text{Marks}& 10-20& 20-30& 30-40& 40-50& 50-60& 60-70& 70-80\\ \text{Group A}& 9& 17& 32& 33& 40& 10& 9\\ \text{Group B}& 10& 20& 30& 25& 43& 15& 7\end{array}$

Calculate the simple aggregative price index and interpret it for the following:

$\begin{array}{ccc}\text{Commodities}& \text{1975 Prices (Rs)}& \text{2017 Prices (Rs)}\\ \text{Rice}& 0.05& 1\\ \text{Wheat}& 0.60& 3.2\\ \text{Maize}& 0.44& 5.62\\ \text{Sugar}& 0.8& 2.3\\ \text{Vegetables}& 2.63& 8\end{array}$

What do you understand by multi-valued attribute? How is it different from complex and composite attribute? Illustrate by giving suitable example.

Deflation can be attributed to______.

The problems faced in the construction of consumer price index are _____.

Which of the following are sets ? Justify your answer.

(i) The collection of all the months of a year beginning with the letter J.

(ii) The collection of ten most talented writers of India.

(iii) A team of eleven best - Cricket batsmen of the world.

(iv) The collection of all boys in your class

(v) The collection of all natural numbers less than 100.

(vi) A collection of novels written by the writer Munahi Prem Chand.

(vii) The collection of all even integers.

(viii) The collection of questions in this chapter.

(ix) A collection of most dangerous animals of the world.

Based on the information given in the table, identify the kind of series the table represents :

$\begin{array}{cc}\text{Marks}& \text{Frequency}\\ 100-199& 80\\ 200-299& 123\\ 300-399& 34\\ 400-499& 48\end{array}$

The domain and range of y = secx is

List three forms of presentation of data.

Find the third quartile for the following data.

$\begin{array}{cc}\text{Observation}& \text{Frequency}\\ 3& 6\\ 8& 1\\ 12& 1\\ 19& 4\\ 22& 8\\ 29& 6\\ 31& 3\\ 42& 5\end{array}$

Does correlation imply causation?

Imagine life without your local market. What difficulties would a consumer face if there is no retail shop?

Find the mean deviation about the mean for the following data:

$\begin{array}{ccccccc}\text{Marks obtained}& 10-20& 20-30& 30-40& 40-50& 50-60& 60-70\\ \text{Number of students}& 8& 6& 12& 5& 2& 7\end{array}$

When the stock market goes up, an investor in the companies listed on it will find his investments ___.

Which of the following is statistical data?

Find the coefficient of quartile deviation for the following distribution

$\begin{array}{ccccccccc}Marksobtained& 20& 29& 28& 33& 42& 38& 43& 25\\ Numberofstudents& 6& 28& 24& 15& 2& 4& 1& 20\end{array}$

Compute a weighted index number of the following data using price relative method:

$\begin{array}{cccc}\text{Item}& \text{Price in 1997 (P0)}& \text{Price in 2011 (P1)}& \text{Quantity consumed in 1997}\\ \text{Rice}& 2& 3& 24\\ \text{Cotton}& 4& 5& 14\\ \text{Sugar}& 6& 9& 8\\ \text{Wheat}& 10& 12& 4\\ \text{Other Cereals}& 5& 5& 8\end{array}$

The advantages of using index numbers is/(are) ____.

Calculate the weighted mean of the following distribution.

$\begin{array}{ccccc}\text{Items}& 12& 29& 14& 41\\ \text{Weight}& 6& 4& 5& 2\end{array}$

Given the following data :

$\begin{array}{ccccc}\text{Year}& 2006-07& 2007-08& 2008-09& 2009-10\\ \underset{(2004=100)}{\text{CPI for IW}}& 444& 463& 482& 500\end{array}$

Calculation the inflation rate for 2007-08, 2008-09 and 2009-10. What can we conclude?

What do you understand by positive economic analysis?

Choose the correct statements about Spearman's rank coefficient.

Define histogram.

Data represented through arithmetic line graph help in understanding

(a) long term trend (b) cyclicity in data

(c) seasonality in data (d) all of the above

Q14. Consider the following statements about Index of Industrial Production (IIP) and the Manufacturing Purchasing Managers’ Index (PMI):

1. PMI is a private sector survey while the IIP is gauged by the government.

2. While the IIP is a measure of output, PMI, as the name suggests, measures activity at the purchasing or input stage.

Which of the statements are correct?

Nigazh plotted the percentage attendance and percentage marks of 10 students on a scatter chart. He concluded that there is a weak positive correlation between marks and attendance. Which of the following could represent Nigazh's scatter chart?

Which index number is used to calculate purchasing power of money and real wage?

Find the median of the following ungrouped data
1,3,9,5,3,7,9,2,6,9,5,3

Convert the following inclusive series into exclusive series:

$\begin{array}{cccccc}\text{Class - Interval}& 1-5& 6-10& 11-15& 16-20& 21-25\\ \text{Number of Workers}& 10& 15& 20& 25& 30\end{array}$

Calculate coefficient of rank correlation with the help of these data :

$\begin{array}{cccccccc}\text{Economics}& 66& 90& 89& 55& 58& 44& 42\\ \text{Statistics}& 58& 76& 65& 58& 53& 49& 56\end{array}$

Calculate the mean and the standard deviation for the following date.

$$\begin{array}{ccccccccc}\text{wages upto (Rs.)}& 15& 30& 45& 60& 75& 90& 105& 120\\ \text{Number of workers}& 12& 30& 65& 107& 157& 202& 222& 230\end{array}$$

The trial balance of Ramesh Vyas as on 31st March, 2016 was as follows:

$\begin{array}{cccc}\text{Name of Accounts}& \text{Debit Balance (Rs.)}& \text{Credit Balance (Rs.)}& \\ \text{Purchases/Sales}& 81,25,250& 1,26,20,000& \\ \text{Provision for Doubtful Debts}& & 2,60,000& \\ \text{Sundry Debtors/Sundry Creditors}& 25,10,000& 15,26,300& \\ \text{Bills Payable}& & 1,97,500& \\ \text{Opening Stock}& 13,36,250& & \\ \text{Wages}& 11,56,850& & \\ \text{Salaries}& 2,78,750& & \\ \text{Furniture}& 3,62,500& & \\ \text{Postage}& 2,11,300& & \\ \text{Power and Fuel}& 67,500& & \\ \text{Trade Expenses}& 2,91,550& & \\ \text{Bad Debts}& 26,250& & \\ \text{Loan to Ram}10\%\text{(1st December, 2015)}& 1,50,000& & \\ \text{Cash in Hand and at Bank}& 5,00,000& & \\ \text{Trade expenses Accrued but Not Paid}& & 35,000& \\ \text{Drawings/Capital A/c}& 2,22,600& 5,00,000& \\ \text{Outstanding Wages}& & 1,00,000& \\ & & & \\ & \overline{\underset{–}{\underset{–}{1,52,38,800}}}& \overline{\underset{–}{\underset{–}{1,52,38,800}}}& \\ & & & \end{array}$

Prepare the trading and profit and loss account for the year ended 31st March, after taking into consideration the following information.

(i) Stock on 31st March,2016 was Rs. 6,27,500.

(ii) Depreciation on furniture is to be charged 10%.

(iii) Provision for doubtful debt is to be maintained 5% on sundry debtors.

(iv) Sundry debtors include an item of Rs. 25,000 due from a customer who has become insolvent

(v) Goods of the value of Rs. 75,000 have been destroyed by fire and insurance company admitted a claim for Rs. 50,000.

(vi) Received Rs. 60,000 worth of goods on 27th March, 2016 but the invoice of purchases was not recorded in purchases book.

The correlation coefficient is dependent on the choice of both origin and scale of observation.

(A) True
(B) False
(C) Both (A) and (B)
(D) None of these.

The number of hours of classes attended by students in a semester and the corresponding number of students is tabulated below. Find the coefficient of mean deviation about median.

$$\begin{array}{cccccc}Numberofhours& 100-120& 120-140& 140-160& 160-180& 180-200\\ Numberofstudents& 19& 28& 30& 16& 7\end{array}$$

Ganesh drew a trial balance of his operations for the year ended 31st March 2011, there was a difference in the trial balance, which he closed with a Suspense A/c. On scrutiny by the auditors, the following errors were found:

(a) Purchase day book for the month of April 2010, was undercast by = 1,000.

(b) Sales day book of October 2010, was overcast by = 10,000.

(c) A furniture purchased for = 8,100 was entered in the furniture account of 810.

(d) A bill for = 10,000 drawn by Ganesh was not entered in the bills receivable book.

(e) A machinery purchased for = 10,000 was entered in the purchase day book.

Pass necessary journal entries to rectify the same and ascertain the difference in the trial balance that was shown under the Suspense A/c in respect of the above items.

Give the advantages of the sample method over the census method.

Histogram can only be formed with continuous classification of data. (True / False)

List two limitations of Statistics.