The data which have already been collected by someone are called_____________ October 4, 2025 by Admin A. Raw data B. Array data C. Secondary data D. Fictitious data ✅ The correct answer is option C.
Sum of dots when two dice are rolled is___________ October 4, 2025 by Admin A. A discrete variable B. A continuous variable C. A constant D. A qualitative variable ✅ The correct answer is option C.
The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation?____________ October 4, 2025 by Admin A. 60.4% B. 48.3% C. 35.7% D. 27.8% ✅ The correct answer is option B.
Questionnaire survey method is used to collect____________ October 4, 2025 by Admin A. Secondary data B. Qualitative variable C. Primary data D. None of these ✅ The correct answer is option C.
Given X1=12,X2=19,X3=10,X4=7X_1=12,X_2=19,X_3=10,X_4=7X1=12,X2=19,X3=10,X4=7, then ∑i=14Xisum_{i=1}^4 X_i∑i=14Xi equals?________ October 4, 2025 by Admin A. 36 B. 48 C. 41 D. 29 ✅ The correct answer is option C.
A chance variation in an observational process is____________ October 4, 2025 by Admin A. Dispersion/ Variability B. Measurement error C. Random error D. Instrument error ✅ The correct answer is option C.
If a distribution is abnormally tall and peaked, then is can be said that the distribution is__________ October 4, 2025 by Admin A. Leptokurtic B. Pyrokurtic C. Platykurtic D. Mesokurtic ✅ The correct answer is option A.
The first hand and unorganized form of data is called____________ October 4, 2025 by Admin A. Secondary data B. Organized data C. Primary data D. None of these ✅ The correct answer is option C.
Census reports used as a source of data is________ October 4, 2025 by Admin A. Primary source B. Secondary source C. Organized data D. None ✅ The correct answer is option D.
According to the empirical rule, approximately what percent of the data should lie within $mu pm 2sigma$?_______ October 4, 2025 by Admin A. 75% B. 68% C. 99.7% D. 90% ✅ The correct answer is option C.