Let Neelam and Sunita together do it in x days and Neelam do it in ( x + 32 ) days `1/10+1/(x+2) = 1/x` ⇒ `(x+32+10)/(10(x+32) ) = 1/x` ⇒ 10 x + 320 = x ² + 42x x² + 32x - 320 = 0 Solving the equation x = 8 Neelam will do it in (8 + 32) = 40 days.
Which of the following methods is most suitable for forecasting future sales based on historical sales data that exhibits seasonal trends ?
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Which of the following scenarios would benefit most from using time series analysis with seasonal decomposition?
A data analyst is working with a dataset containing missing values, duplicate entries, and inconsistent formats. What is the most important step in ensu...
Which of the following best describes the primary purpose of a data warehouse in analytics?
Which of the following is not a measure of central tendency?
What is the purpose of calculating an appropriate sample size in data analysis?
In hypothesis testing, a p-value of 0.03 indicates that:
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To help a retail business increase its conversion rate, a data analyst should start by defining which of the following metrics?
