Which of the following is NOT a secondary source of data?
Autobiography
An autobiography is considered a primary source of data because it is the firsthand account of an individual. Secondary sources of data include biographies, research journals, and newspapers, which analyze or report on primary data.
Similar Questions
The ______ is an unbiased estimator of the population mean.
If xi = i / 5 + 2, where i = 1, 2,..., 5, then the mean of x1, x2, ..., x5 is:
Let X and Y be two independent Poisson variates with rate 5 and 10, respectively, then the E(XY = 2) is equal to:
On fitting of a trend line Y = a + bt on a time series (with year as a unit of time), the monthly increment/decrement is given by:
If M: Mean, Md: Median, Mo: Mode, Q1: First Quartile and Q3: Third Quartile, then which of the following is an absolute measure of skewness?
For a two-way classification with p treatments, q blocks and r observations per cell, the degrees of freedom for error and total, respectively, are:
Let X and Y be two independent Poisson variates with rate 5 and 10, respectively, then the distribution of Z = X + Y is:
Which of the following is NOT true about ungrouped frequency distribution?
The relative frequency of a class is:
Let \( X \) follow Poisson distribution with mean \( \lambda \). If \[P(X = 2) = \frac{1}{2} P(X = 3),\] then the value of \( \lambda \) is:
Important Questions from Statistical estimation
The ______ is an unbiased estimator of the population mean.
If xi = i / 5 + 2, where i = 1, 2,..., 5, then the mean of x1, x2, ..., x5 is:
Let X and Y be two independent Poisson variates with rate 5 and 10, respectively, then the E(XY = 2) is equal to:
On fitting of a trend line Y = a + bt on a time series (with year as a unit of time), the monthly increment/decrement is given by:
If M: Mean, Md: Median, Mo: Mode, Q1: First Quartile and Q3: Third Quartile, then which of the following is an absolute measure of skewness?
