A chain of sport shops catering to beginning skiers, headquartered in Aspen, Col

Question

A chain of sport shops catering to beginning skiers, headquartered in Aspen, Colorado, plans to conduct a study of how much a beginning skier spends on his or her initial purchase of equipment and supplies. Based on these figures, t wants to explore the possibility of offering combinations, such as a pair of boots and a pair of skis, to induce customers to buy more. A sample of 44 cash register receipts revealed these initial purchases: 143 72 139 161 175 82 129 $149 $135 125 209 202 132 172 1 1512 105 216 126 90 171 162 121 149 126 138 118 172 156 209 7172 211 162 195 128126 142 118 127 138 a Find the smallest class interval Use five classes. (Round your answer to f 1 decimal place) b. What would be a better class intervai? c. Organize the data into a frequency distribution using a lower limit of $70. Prex 9 o 10 Next? 330 5 2 3 4.

Explanation / Answer

c...

a.. Smallest Class inerval---70-100 with frequency 4

b.. Since both class intervals 100-130,130-160 have the equal frequencies one can say that both of therse are better intervals. As it is a start up one should goi for the minimal prices ,so the class interval 100-130 is the better interval here.

Class Interval frequency 70-100 4 100-130 12 130-160 12 160-190 8 190-220 8

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.