-ons Help Last edit was seconds ago Arial 9. BIU A + + ... 4. 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...


-ons Help<br>Last edit was seconds ago<br>Arial<br>9.<br>BIU<br>A<br>+<br>+<br>...<br>4.<br>JOYFUL Fashion Company is reviewing the monthly sales in year 2021.The monthly sales (in millions) of each month<br>were as below:<br>Jan: $2.2 Feb: $2.5<br>Mar: $2.0 Apr: $2.8 May: $1.9<br>Jun: $0.9<br>Jul: $3.4<br>Aug: $3.7 Sep: $2.1<br>Oct: $2.5<br>Nov: $2.3<br>Dec: $4.6<br>(a) Find the mean, mode, standard deviation, and range of the above data.<br>(b) Comment on the skewness of the above data. Explain your answer with the comparison of quartiles.<br>The JOYFUL Fashion Company will issue a Gold Membership to customers with accumulated spending in<br>January 2022 over 1% of 2021's average monthly sales and a Platinum Membership to customers with<br>accumulated spending in January 2022 over 1% of the 80m percentile of 2021's monthly sales.<br>(c) Mrs. Robinson has spent $27,450 in January 2022. Will she be qualified for the Gold Membership? Will she be<br>qualified for the Platinum Membership? Explain your answers.<br>(d) It is known that the average monthly sales from Jul 2020 to Dec 2020 were $1.9 millions. Find the average<br>monthly sales from July 2020 to Dec 2021.<br>(e) Are the JOYFUL Fashion Company sales increasing / decreasing? Explain your answer by comparing the<br>half-yearly average monthly sales. (i.e. Jul 2020 to Dec 2020; Jan 2021 to Jun 2021; Jul 2021 to Dec 2021)<br>tv<br>!!<br>

Extracted text: -ons Help Last edit was seconds ago Arial 9. BIU A + + ... 4. 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 Feb: $2.5 Mar: $2.0 Apr: $2.8 May: $1.9 Jun: $0.9 Jul: $3.4 Aug: $3.7 Sep: $2.1 Oct: $2.5 Nov: $2.3 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 80m 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. (d) It is known that the average monthly sales from Jul 2020 to Dec 2020 were $1.9 millions. Find the average monthly sales from July 2020 to Dec 2021. (e) Are the JOYFUL Fashion Company sales increasing / decreasing? Explain your answer by comparing the half-yearly average monthly sales. (i.e. Jul 2020 to Dec 2020; Jan 2021 to Jun 2021; Jul 2021 to Dec 2021) tv !!

Jun 03, 2022
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