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The best average for constructing an index number is:

(A) Harmonic mean
(B) Arithmetic mean
(C) Geometric mean
(D) None of these

What do you mean by loss of information in organized data?

The mid - points of class intervals $x_i$ along with respective frequencies $f_i$ for recorded observations are given. Calculate the mean deviations about mean $\overline{x}$

Define liberty indicator. Give some examples of liberty indicators.

Construct the cost of living index for the year 2012 on the basis of 2004 from the following data and give your comments :

$\begin{array}{cccc}\text{Item}& \text{Price (in Rs) in}2004& \text{Price (in Rs) in 2012}& \text{Weights}\\ \text{Food}& 39& 47& 4\\ \text{Fuel}& 8& 12& 1\\ \text{Cloth}& 14& 18& 3\\ \text{Rent}& 12& 15& 2\\ \text{Other}& 25& 30& 1\end{array}$

In general, inflation is calculated by using

(i) wholesale price index

(ii) consumer price index

(iii) producers’ price index

What is meant by Statistical Series?

Calculate mean deviation using median and coefficient of mean deviation :

$\begin{array}{cccccc}\text{Class Intervals}& 5-15& 15-25& 25-35& 35-45& 45-55\\ Frequency& 5& 4& 5& 4& 2\end{array}$

For the given distinct values $x_1,x_2,x_3,.....x_n$ occurring with frequencies $f_1,f_2,f_3,...f_n$ respectively. The mean deviation about mean where $\overline{x}$ is the mean and N is total number of observations would be

The weighted aggregative index number for the following table is given as 153.61 considering Laspeyres method. Find the approximate value of k.

$\begin{array}{ccccc}& P_0& Q_0& P_1& Q_1\\ H& 0.5& 20& 2.5& 25\\ I& 10.5& 10& 7& 11\\ J& 3.5& 8& 4& 12\\ K& 7& 25& 14& 30\\ L& 15& 13& 22& 18\end{array}$

dummy The formula for Spearman's rank coefficient is ___

In the stage where price movements are compared to the trotting of a horse, the rate of growth of the price level is about

Differentiate between individual, discrete and continuous series.

Mention two important functions of statistics.

If A = {5, 7, 9, 11}, B = {9, 10} and a R b is defined as a < b such that a $\in$ A, (a, b) $\in$ R, b $\in$ B, then find the domain, co-domain and range of R.

Based on the given data, can you identify who scored more runs in the period 2014 to 2017?
$$\begin{array}{ccc}Year& RunsscoredbyJohn& RunsscoredbyRobin\\ 2013& 1342& 987\\ 2014& 451& 1672\\ 2015& 1002& 947\\ 2016& 821& 651\\ 2017& 2231& 1921\\ 2018& 654& 1254\end{array}$$

In case of high inflation, the purchasing power of money goes____.

Of the following three measures which can measure any type of relationship

(i) Karl Pearson’s coefficient of correlation

(ii) Spearman’s rank correlation

(iii) Scatter diagram

If the final amount of money that Akash had with him was Rs. 100, what was the initial amount he held with him?

For a group of 200 candidates, the mean and the standard deviation of scores were found to be 40 and 15, respectively. Later on it was discovered that the scores of 43 and 35 were misread as 34 and 53, respectively. Find the correct mean and the standard deviation.

Following balances have been extracted from the trial balance of M/s Keshav Electronics Ltd. You are required to prepare the trading and profit and loss account and a balance sheet as on December 31, 2011.

$\begin{array}{cccc}\text{Account Title}& \text{Amt.(Rs)}& \text{Account Title}& \text{Amt.(Rs)}\\ \text{Opening Stock}& 2,26,000& \text{Sales}& 6,80,000\\ \text{Purchase}& 4,40,000& \text{Return Outwards}& 15,000\\ \text{Drawings}& 75,000& \text{Creditors}& 50,000\\ \text{Buildings}& 1,00,000& \text{Bills Payable}& 63,700\\ \text{Motor van}& 30,000& \text{Interest Received}& 20,000\\ \text{Freight Inwards}& 3,400& \text{Capital}& 3,50,000\\ \text{Sales Return}& 10,000& & \\ \text{Trade Expenses}& 3,300& & \\ \text{Heat and Power}& 8,000& & \\ \text{Salary and Wages}& 5,000& & \\ \text{Legal Expenses}& 3,000& & \\ \text{Postage and Telegram}& 1,000& & \\ \text{Bad Debts}& 6,500& & \\ \text{Cash in Hand}& 79,000& & \\ \text{Cash at Bank}& 98,000& & \\ \text{Sundry Debtors}& 25,000& & \\ \text{Investments}& 40,000& & \\ \text{Insurance}& 3,500& & \\ \text{Machinery}& 22,000& & \\ & \overline{\underset{–}{\underset{–}{11,78,700}}}& & \overline{\underset{–}{\underset{–}{11,78,700}}}\end{array}$

The following additional information is available

1. Stock on December 31, 2011 was Rs. 30,000.

2. Depreciation is to be charged on building 5% and motor van 10%

3. Provision for doubtful debts is to be maintained 5% on Sundry Debtors.

4. Unexpired insurance was Rs. 600.

5. The Manager is entitled to a commission 5% on net profit after charging such commissioion.

Select the options that are likely to show a negative correlation.

Draw a scatter diagram from the given data comment whether it represents positive or negative relationship and why?

$\begin{array}{ccccccccccc}x& 10& 9& 8& 7& 6& 5& 4& 3& 2& 1\\ y& 1& 2& 3& 4& 5& 6& 7& 8& 9& 10\end{array}$

Is Accounting a Science or an Art ?

Question 169

The left column of the chart lists is the length of input chains of gold. Repeater machines are listed across the top. The other entries are the outputs you get when you send the input chain from that row through the repeater machine from that column. Copy and complete the chart.

Explain
the nature of psychological data.

Question 2

Classify the data given below as primary or secondary data.



1. Number of females per 1000 males in various states of our country



2. Weights of students of our class



3. Production of wheat in the last 10 years in our country



4. The number of plants in our locality



5. Rainfall in our city in the last 10 years

The drawbacks of the simple aggregative method are:

(I) The items with large unit prices have greater influence on the index.

(II) No weightage is given to the relative importance of the items.

What precautions are necessary while using secondary data?

The marks obtained by 25 students in a class are as follows

22, 28, 30, 32, 35, 37, 40, 41, 43, 44, 45, 45, 48, 49, 52, 53, 54, 56, 56, 58, 60, 62, 65, 68, 69

(i) Arrange the above data on frequency distribution taking class interval.

20-29, 30-39, 40-49, 50-59, 60-69

(ii) Form the cumulative frequency distribution.

Following are the marks obtained by 10 students of a class. Calculate standard deviation and coefficient of standard deviation.

$\begin{array}{ccccccccccc}\text{Marks}& 12& 8& 17& 13& 15& 9& 18& 11& 6& 1\end{array}$

According to the passage, the 1980's saw the data-crunchers:

Given the following series, calculate standard deviation by direct method:

$\begin{array}{ccccccc}\text{Size}& 0-2& 2-4& 4-6& 6-8& 8-10& 10-12\\ \text{Frequency}& 2& 4& 6& 4& 2& 6\end{array}$

Which of the following is a measure of central tendency?

Draw a frequency polygon using mid-values from the following table:
$$\begin{array}{ccccccc}\text{Marks}& 5-9& 10-14& 15-19& 20-24& 25-29& 30-34\\ \text{No. of Students}& 5& 12& 15& 22& 14& 4\end{array}$$