# Decision Science | Business Statistics – NMIMS Assignment

1. Calculate the Mean and Standard Deviation using Total MSMEs, Total Manufacturing MSMEs, and Total Service MSMEs. Write your comment if mean is affected by extreme observation.

Source: Data.Gov.in (MSMEs as per 2011)

2. Three airlines serve a small town in Rajkot District. Airline A has 50% of all the scheduled flights, airline B has 30%, and airline C has the remaining 20%. Their on-time rates are 80%, 65%, and 40%, respectively.

A plane has just left on time. What is the probability that it was airline A?

Note: Draw the Tree-diagram using Paint App.

3: Here is the Agri-Data, mention the name of dependent and independent variables.

Part A: Prepare the line of regression Y on X.

Part B: Calculate r2 (coefficient of determination). Interpreted the byx.

 district_2 Rapeseed & Mustard Production in Metric Tonnes Rapeseed & Mustard Area (Hectare) UTTAR KASHI 437 873 CHAMOLL 193 407 RUDRA PRAYA 154 325 TEHRI GARHW 466 848 DEHRADUN 139 226

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