Which of the following best defines `exponential moving average'?
Answer(s): D
An exponential moving average (EMA) is a type of moving average (MA) that places a greater weight and significance on the most recent data points. The exponential moving average is also referred to as the exponentially weighted moving average. An exponentially weighted moving average reacts more significantly to recent price changes than a simple moving average (SMA), which applies an equal weight to all observations in the period.
CIPS study guide page 111-112LO 2, AC 2.3
Among different types of costs associated with inventory, the opportunity cost of the investment tied up in inventory belongs to which of the following?
Answer(s): C
Direct and indirect costs of holding inventory include the following:- Acquisition costs- Holding costs: There are 2 different types of holding costs: costs related to the value of the goods (including opportunity costs, costs of insurance, losses due to product deterioration, etc) and costs related to the physical characteristics of this inventory.- Costs of stockouts
CIPS study guide page 100-101LO 2, AC 2.2
Which costs in the following list are categorised as operation costs in the total cost of ownership model? Select TWO that apply.
Answer(s): B,E
Costs of operating an asset can widely vary. The following table is an example from Guide to Total Cost of Ownership, New Zealand Government:
CIPS study guide page 163-164LO 3, AC 3.1
Which of the following are typical characteristics of 2D barcodes? Select TWO that apply.
Two-dimensional (2D) barcodes look like squares or rectangles that contain many small, individual dots. This has many different types (i.e. Data matrix, QR codes, Aztec code,...) and several different standards in use (i.e. GS1 standards, ISO/IEC 18004:2015). It can be substituted for 1D barcode, but it has the capability to hold a larger amount of data. For examples, GS1 Data Matrix can contain 3116 Numeric characters or 2335 Alphanumeric characters while GS1-128 barcode has maximum capacity of 48 characters.Like 1D barcodes, 2D barcodes are also machine-readable with dots/squares and spaces. They have symbology like this:Since the code is two dimensional, conventional laser scanner can't read it. 2D barcodes require imaging scanner to read.2D barcodes can be also used for different purposes throughout the supply chain: identifying prod- ucts/SKU (single unit, packaged or pallet), identifying content of a purchase order or delivery, identifying the batch number from which the item originates, identifying the manufacturer, country of origin etc, tracking status of an order, shipment or delivery
CIPS study guide page 44-46LO 1, AC 1.2
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