Practice MCQs
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Showing 10 of 276 total MCQs (page 15 of 28)
Explanation: Conjunctions connect words, phrases or clauses. Common conjunctions: and, but, or, so, because, although. They are one of the eight parts of speech.
Explanation: In passive voice, the subject receives the action. "A letter was written by her" — the subject (letter) receives the action (written). Active: She writes (subject acts).
Explanation: "Went" is the simple past tense of "go." It is an irregular verb. "Gone" is the past participle used with have/has (e.g., He has gone).
Explanation: Happiness is a noun (an abstract noun). Run is a verb, Beautiful is an adjective, and Quickly is an adverb.
Explanation: Standard deviation measures how spread out the values in a data set are from the mean. A low SD means data is clustered near the mean; a high SD means it is spread out.
Explanation: A fair coin has 2 outcomes (head or tail), each equally likely. P(head) = 1/2 = 0.5 = 50%. Probability ranges from 0 (impossible) to 1 (certain).
Explanation: The mode is the value that appears most frequently in a data set. A data set can have one mode (unimodal), more than one mode (multimodal), or no mode.
Explanation: Median is the middle value when data is sorted. For 3, 5, 7, 9, 11 (5 values), the median is the 3rd value = 7.
Explanation: Mean = Sum ÷ Count = (2+4+6+8+10) ÷ 5 = 30 ÷ 5 = 6. The mean (arithmetic average) is the most common measure of central tendency.