The formula for calculating mode is as follows:
$$Z = {L_1} + \frac{{{f_1} - {f_0}}}{{\left( {{f_1} - {f_0}} \right) + \left( {{f_2} - {f_0}} \right)}}$$
In this formula, f2 represents the
A. frequency of the class that precedes the modal class
B. frequency of the modal class
C. frequency of the class that succeeds the modal class
D. lower limit of the modal class
Answer: Option C
This Question Belongs to Mass Communication And Journalism >> Communication And Media Research
Motivation research ties to analyse
A. how consumers buy or shun particular products
B. why consumers buy specific products and/or services
C. what is the geographic and demographic profile of a targeted market niche
D. all the above
Which of the following is/are advantages of sampling?
A. Convenience and easy to use
B. Highly representative of the population
C. Highly representative of the strata
D. All of the above
In which of the following scale technique, a direct comparison of stimulus object is done?
A. Comparative scale
B. Monadic scale
C. Non-Comparative scale
D. Metric scale
Who can be given the credit of being the pioneer of media effects research in the USA?
A. Woodrow Wilson (1917)
B. William Randolph Hearst (1898)
C. The Payne Fund Studies (1929-32)
D. Edgar Dale (Circa 1930)
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