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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Answer: To be
Explanation What are they doing does not seem to be working جو کچھ کر رہے ہیں وہ کام کرتا نظر نہیں آتا۔
Answer: Underneath
Explanation Underneath is often used to say that something is under and covered by something else. Underneath is generally used for boxes, sofas etc.
Answer: 1/e
Explanation The Poisson distribution is a discrete probability distribution that models the number of events (k) occurring in a fixed interval of time or space. The probability mass function of the Poisson distribution is: P(k) = (e^(-m) * (m^k)) / k! where m is the mean (expected value) of the distribution, and e is the base of the natural logarithm (approximately 2.718). If the mean (m) of a Poisson distribution is 1 , then the probability of P(1) is: P(1) = (e^(-1) * (1^1)) / 1! = 1/e ≈ 0.3679 So, the probability of P(1) is approximately 0.368, or 1/e.
Answer: Both A and B
Explanation Meticulous means محتاط Sloppy means میلا Careless means غیر محتاط
ان میں سے کون سا نیا عمل تیار کرنے کے لیے استعمال کیا جا سکتا ہے؟
Answer: Design of experiments
Explanation Design of experiments (DOE) is commonly used to: Develop new processes Improve existing processes Optimize process parameters Reduce variability Improve product quality
مندرجہ ذیل میں سے کون سا تعلق کے قابلیت کے لیے درست ہے؟
Answer: The coefficient of correlation does not depend on both the change of scale and change of origin
Explanation The coefficient of correlation (ρ) is a measure of the linear relationship between two variables. It is a dimensionless quantity , which means that it is unaffected by changes in the scale or units of the variables.
ریگریشن لائن سے انحراف کا مجموعہ کیا ہے؟
Answer: Zero
Explanation The sum of deviations from the regression line is zero. This is a fundamental property of linear regression , known as the "zero-sum property" or "error-sum property".
ایما کو تاش کھیلنا پسند ہے۔ وہ 52 کارڈز کے ایک پیکٹ سے 5 کارڈ کھینچتی ہے۔ اس بات کا کیا امکان ہے کہ ایما تیار کیے گئے 5 کارڈوں میں سے صرف 2 چہرے کے کارڈز کھینچے؟
Answer: 0.0533
Explanation There are 12 face cards in a standard deck of 52 cards (3 face cards per suit x 4 suits). The probability of drawing 2 face cards is : C(12,2) x C(40,3) / C(52,5) = 0.0533
مندرجہ ذیل میں سے کون سی امکان کے بارے میں درست معلومات نہیں ہے؟
Answer: It is the collection of several experiments
Explanation Probability refers to the likelihood of a single event or outcome occurring, not a collection of experiments.
پیشین گوئی کے طریقہ کار کو فراہم کرنے میں مدد کرنے کے لیے درج ذیل میں سے کون سی تکنیک دو متغیر کے درمیان تعلق کا تجزیہ ہے؟
Answer: Regression
Explanation Regression analysis is a statistical technique used to establish a relationship between two variables ( independent and dependent ) to predict the value of one variable based on the other. It helps in building a prediction model that can forecast the outcome.
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