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Business Statistics-NMIMS Sep 18

Business Statistics-NMIMS Sep 18

Business Statistics

Team

Revenue (USD Mn.)

Valuation (USD Mn.)

Atlanta

103

306

Boston

144

433

Charlotte

96

278

Chicago

168

511

Cleveland

159

476

Dallas

154

446

Denver

115

321

Detroit

171

479

Golden State

113

315

Houston

160

470

Indiana

97

281

Los Angeles Clippers

102

295

Los Angeles Lakers

209

607

Memphis

88

257

Miami

126

364

Milwaukee

91

254

Minnesota

96

268

New Jersey

92

269

New Orleans

95

267

New York

202

586

Oklahoma City

111

310

Orlando

107

361

Philadelphia

115

344

Phoenix

148

429

Portland

121

338

Sacramento

109

305

San Antonio

133

398

Toronto

133

386

Utah

118

343

Washington

110

313

 

Q1. For the data on revenue and valuation of teams in the National Basketball Association (NBA), conduct the following analysis:

i. Determine the measures of central tendency and of dispersion for revenue and valuation.

ii. Provide the five-number summary i.e. the minimum, 1st quartile, median, 3rd quartile and maximum value for revenue.

Interpret the above results and comment on how the data is distributed.

 

Q2. For the same data on NBA revenue and valuation given above:

i. Is there a strong association between revenue and valuation?

ii. Create a scatter plot diagram depicting the association between the two variables.

iii. The franchise owners want to understand if the valuation is dependent on revenue. How can you assess this?

iv. Using the regression equation, predict the valuation of a team whose revenue was USD 300 mn.

(10 Marks)

 

Q3. There are 300 students in an online MBA program for working professionals, for whom the attendance in online classes is 70%, i.e. on an average, 210 students are present in an online session. Fifty new students are admitted in this batch.

a. What is the probability of attendance being at least 70% among the new students, thus ensuring the overall attendance does not fall below 70%? (5 Marks)

b. The Program Dean thinks that this probability will increase, if the new batch size is 40 instead of 50 students. Is he right in assuming so? (5 Marks)

 

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