Practise All MCQs in Lecturer Statistics Past Papers and Syllabus. Attempt multiple-choice questions, check answers and revise related subtopics.
Study All through multiple-choice questions in Lecturer Statistics Past Papers and Syllabus. This subtopic contains 51 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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مندرجہ ذیل میں سے کون تجرباتی ڈیزائن کا بنیادی اصول نہیں ہے؟
Answer: Confounding
Explanation The basic principle of experimental design that is NOT listed is: Confounding .
Answer: 4096
Explanation The variance of a sample is calculated as the square of the standard deviation. Since the standard deviation is 64, the variance is : Variance = σ^2 = 64^2 = 4096 So, the correct answer is 4096.
Answer: A car was being driven by him, when accident occurred.
Explanation Direct indirect after was use being.
سفر کی اوسط رفتار معلوم کرنے کے لیے، مرکزی رجحان کا مناسب پیمانہ کون سا ہے؟
Answer: Harmonic Mean
Explanation The harmonic mean is the appropriate measure of central tendency to use when calculating the average speed of a journey. This is because speed is a rate (distance per unit time), and the harmonic mean is used to average rates. The formula for harmonic mean is: H = n / (∑(1/x)) where H is the harmonic mean, n is the number of values , and x is each value.
Answer: Minimum variance bond
Explanation In the Cramér-Rao inequality, var(T) is the minimum variance bound, which represents the lowest possible variance of an unbiased estimator T. This bound is a fundamental limit in estimation theory and is used to evaluate the efficiency of estimators.
راؤ-بلیک ویل تھیوریم ہمیں _______ کے ذریعے کم از کم تغیر غیر جانبدارانہ تخمینہ حاصل کرنے کے قابل بناتا ہے؟
Answer: Sufficient statistics
Explanation The Rao-Blackwell theorem enables us to obtain minimum variance unbiased estimates through sufficient statistics , which capture all the information in the data about the parameter. By conditioning an unbiased estimator on a sufficient statistic, we can improve its precision and obtain the minimum variance unbiased estimator (MVUE).
Answer: Eavesdropper
Explanation Eavesdropper means وہ شخص جو چھپ کر دوسروں کی باتوں کو سنتا ہ و
Answer: 1.2.3……(n-2) (n-1) (n)
Explanation The product of the first 'n' natural numbers is represented by the formula: n! (n factorial) = 1 × 2 × 3 × ... × (n-2) × (n-1) × n This is denoted by the symbol "n!" and is read as "n factorial".
نمونے کے اعدادوشمار اور آبادی کے پیرامیٹر میں کیا فرق ہے؟
Answer: Sampling error
Explanation A sample statistic is a measure calculated from a smaller group of individuals (a sample) taken from a larger population. While a population parameter is a measure of the entire population.
Answer: Hard Disk : Keyboard
Explanation Gill : Fin :: Hard Disk : Keyboard
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