{"product_id":"v81039sidcal1","title":"V. 8:10 (392-395): SIDEBAR: Calculating the standard deviation of closing prices","description":"SIDEBAR: Calculating the standard deviation of closing prices\u003cbr\u003e\u003cbr\u003eThe standard deviation of closing prices is easy to calculate. Most spreadsheet programs have built-in statistical functions such as average, variance and standard deviation. In Lotus, for example, you could\nuse: @STD(closing price array) defined over a range encompassing the period under consideration.","brand":"store-traders-com","offers":[{"title":"Default Title","offer_id":52134178947441,"sku":"\\V8\\C10\\SIDEBCS.PDF","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3843\/6209\/files\/unnamed_48e67ec9-fe4c-424e-baf3-a9c2f97321d6.jpg?v=1739670438","url":"https:\/\/shop.traders.com\/products\/v81039sidcal1","provider":"Stocks \u0026 Commodities","version":"1.0","type":"link"}