Tutorial Revision: Vlookup, Pivot Table 1. Text Functions 2. Data Input Forms 3. Descriptive statistics 4. Histogram 5. What-If-Analysis

Computing > Parts-VL Parts-VL: What is the price for part A019? What is the description of this part number? Are there any parts in stock? 2

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Computing > pivot data School We want to investigate the Subject scores per month: Drag month to the ROW area Drag subject to the COLUMN area Score to the DATA area Drag student to FILTER area Click on Active Field > Field Settings > Average Do some formatting Lets investigate…. 4

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Data Input Form: Type column headings Insert > Table: See next slide Change column Width to 15 File > Option > Cust Ribbon > Cmnds not in Ribbon > Form >New Tab > Rename > Input Form > ADD FORM > OK 7

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Descriptive Stats/Histogram: “Analysis Toolpak” > Buss Info II > Results > All Results Data Analysis > Descriptive Stats…. Homework: Data Analysis > Histogram Bin Selection: Sturges’ Rule: K = 1 + (3.3 log n) where n is the number of observations 9

What-If-Analysis: PMT function Calculate the payment of a loan of R , redeemed at 10%pa, monthly over 15 years What-If: change The loan to : what is the new installment? Interest rate to 12%: new loan and installment? Goal Seek: what is the new loan amount if the monthly installment changes to R Interactive toolbar: create a toolbar, linked to the term, changing over the range 10 to 20, in steps of 1 year 10