PlayStation 4, Xbox One, and Nintendo Switch are the major consoles of 2017. Among 100 game entries from the 2017’s top 100 chart, you want to find the number of games that are designed to work on consoles other than the popular three (i.e., PS4, XOne, and NS). =COUNTIFS(XXXXXXXX"=2017") =COUNTIFS( [ Select ] D2:D1301,"PS4&XOne&NS",A2:A1301, D2:D1301,OR("PS4","XOne","NS"),A2:A1301, D2:D1301,AND("PS4","XOne","NS"),A2:A1301, D2:D1301,"OR(PS4,XOne,NS) ",A2:A1301, D2:D1301,"OR(PS4,XOne,NS) ",A2:A1301, IF(D2:D1301AND("PS4","XOne","NS"),1,0), A2:A1301, IF(D2:D1301OR("PS4","XOne","NS"),1,0), A2:A1301, AND(D2:D1301,"PS4",D2:D1301,"XOne",D2:D1301,"NS"),A2:A1301, OR(D2:D1301,"PS4",D2:D1301,"XOne",D2:D1301,"NS"),A2:A1301, D2:D1301,"PS4",D2:D1301,"XOne",D2:D1301,"NS",A2:A1301, D2:D1301,"PS4&XOne&NS",A2:A1301, D2:D1301,"PS4"&"XOne"&"NS",A2:A1301, "=2017")

Question

PlayStation 4, Xbox One, and Nintendo Switch are the major consoles of 2017. Among 100 game entries from the 2017’s top 100 chart, you want to find the number of games that are designed to work on consoles other than the popular three (i.e., PS4, XOne, and NS). =COUNTIFS(XXXXXXXX"=2017") =COUNTIFS( [ Select ] D2:D1301,"<>PS4&XOne&NS",A2:A1301, D2:D1301,OR("PS4","XOne","NS"),A2:A1301, D2:D1301,AND("PS4","XOne","NS"),A2:A1301, D2:D1301,"OR(PS4,XOne,NS) ",A2:A1301, D2:D1301,"OR(PS4,XOne,NS) ",A2:A1301, IF(D2:D1301<>AND("PS4","XOne","NS"),1,0), A2:A1301, IF(D2:D1301<>OR("PS4","XOne","NS"),1,0), A2:A1301, AND(D2:D1301,"<>PS4",D2:D1301,"<>XOne",D2:D1301,"<>NS"),A2:A1301, OR(D2:D1301,"<>PS4",D2:D1301,"<>XOne",D2:D1301,"<>NS"),A2:A1301, D2:D1301,"<>PS4",D2:D1301,"<>XOne",D2:D1301,"<>NS",A2:A1301, D2:D1301,"<>PS4&<>XOne&<>NS",A2:A1301, D2:D1301,"<>PS4"&"<>XOne"&"<>NS",A2:A1301, "=2017")

BlackTom AI · Accepted Answer

COUNTIFS treats each pair of range+criterion as a condition combined with logical AND. To exclude games that run on PS4, XOne, or NS you must test column D three times with "<>" (not equal) criteria, and then include the year criterion on column A. Step-by-step reasoning and construction 1. Relevant concepts: - COUNTIFS(range1, crit1, range2, crit2, ...) counts rows where ALL criteria are true (logical AND). - The "<>value" criterion means "not equal to value". - You cannot use OR(...) or AND(...) expressions directly inside a single COUNTIFS criterion to produce the intended per-row logic; COUNTIFS expects simple criteria for each range. 2. Build the criteria: - Exclude PS4: D2:D1301, "<>PS4" - Exclude XOne: D2:D1301, "<>XOne" - Exclude NS: D2:D1301, "<>NS" - Restrict to year 2017: A2:A1301, "=2017" 3. Complete formula and interpretation: =COUNTIFS(D2:D1301,"<>PS4", D2:D1301,"<>XOne", D2:D1301,"<>NS", A2:A1301,"=2017") For each row this checks: - D is not "PS4" AND - D is not "XOne" AND - D is not "NS" AND - A equals 2017. Only rows meeting all four conditions are counted. Example: a row with D="PC" and A=2017 is counted; D="PS4" and A=2017 is not counted. Why other options are incorrect - Using OR(...) or AND(...) inside COUNTIFS as a single criterion is invalid: COUNTIFS won't interpret OR( "PS4","XOne","NS") as “any of these” for each cell and Excel doesn’t accept array-returning functions as a single criterion in COUNTIFS this way. - Concatenated strings like "<>PS4&<>XOne&<>NS" would be treated as a literal string and not three separate tests. - IF(...) constructions and OR/AND with range arguments are not valid COUNTIFS criteria and will either error or produce incorrect results. Conclusion The correct criteria sequence is D2:D1301,"<>PS4", D2:D1301,"<>XOne", D2:D1301,"<>NS", A2:A1301,"=2017", which matches the provided answer.

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