t-first · Categorical records and justified tableYear 3 Maths · T1 W7–8 · Source text / Assessment / T first

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ORIGINAL FICTIONAL SOURCE: Question: What type labels are in these fictional display labels? One card is one record; variable is type label. Complete available labels in order: star, leaf, star, moon, leaf, star. There are 1 additional unavailable label records. The proposed category rows are star, leaf, moon, sun. Unavailable is a status, not a named type. No real survey or preference information is supplied.

Usual communication, wanted exact scribing/neutral description, private/untimed work, rest or stopping are welcome. A helper can read all facts, not supply your mathematical choice. This is a supplied fictional source, not observed action or a real survey.

1. State the data unit and variable. Is the variable categorical or a discrete numerical count?

Own response: [empty before your attempt]

2. Make or describe a frequency table for all named categories and record unavailable separately.

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3. Give known-record and all-record totals, and explain what the zero named category can mean.

Own response: [empty before your attempt]

4. Give one statement supported by these records and one specific way to check the table.

Own response: [empty before your attempt]

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