JOYFUL Fashion Company is reviewing the monthly sales in year 2021. The monthly sales (in millions) of each month were as below: Jan: $2.2 Jul: $3.4 Feb: $2.5 Aug: $3.7 Mar: $2.0 Sep: $2.1 Apr: $2.8 Oct: $2.5 Мay: $1.9 Nov: $2.3 Jun: $0.9 Dec: $4.6 (a) Find the mean, mode, standard deviation, and range of the above data. (b) Comment on the skewness of the above data. Explain your answer with the comparison of quartiles. The JOYFUL Fashion Company will issue a Gold Membership to customers with accumulated spending in January 2022 over 1% of 2021's average monthly sales and a Platinum Membership to customers with accumulated spending in January 2022 over 1% of the 80th percentile of 2021's monthly sales. (c) Mrs. Robinson has spent $27,450 in January 2022. Will she be qualified for the Gold Membership? Will she be qualified for the Platinum Membership? Explain your answers.
JOYFUL Fashion Company is reviewing the monthly sales in year 2021. The monthly sales (in millions) of each month were as below: Jan: $2.2 Jul: $3.4 Feb: $2.5 Aug: $3.7 Mar: $2.0 Sep: $2.1 Apr: $2.8 Oct: $2.5 Мay: $1.9 Nov: $2.3 Jun: $0.9 Dec: $4.6 (a) Find the mean, mode, standard deviation, and range of the above data. (b) Comment on the skewness of the above data. Explain your answer with the comparison of quartiles. The JOYFUL Fashion Company will issue a Gold Membership to customers with accumulated spending in January 2022 over 1% of 2021's average monthly sales and a Platinum Membership to customers with accumulated spending in January 2022 over 1% of the 80th percentile of 2021's monthly sales. (c) Mrs. Robinson has spent $27,450 in January 2022. Will she be qualified for the Gold Membership? Will she be qualified for the Platinum Membership? Explain your answers.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 46E: A tabletop is semicircular when its three congruent drop-leaves are used. By how much has the tables...
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