Question

Amount
139
82
139
161
175
82
132
149
140
133
263
238
132
172
149
152
213
105
220
126
90
171
162
229
121
112
149
126
126
118
172
156
213
87
172
230
162
195
128
126
142
118
127
126

1. Surfrider a chain of Standup Paddleboard shops catering to entry level paddlers and headquartered in Key West, Florida, plans to conduct a study of how much beginning paddlers spend on his or her initial purchase of equipment and supplies. Based on this data it wants to explore the possibility of offering combinations, such as a paddle, leash, and board to induce customers to buy more. A random sample of 44 cash receipts revealed the initial purchases shown in the Excel file.

1. First Quartile
2. Mean
3. Standard Deviation
4. Variance
5. 67^th percentile
6. IQR

Answer 1

Solution-

A)

B)

C)

D)

E)

F) InterQuartileRange(IQR)

IQR = Q3 - Q1

= 172 - 126

= 46

IQR = 46

3rd Quartile