15. Lael wants to summarize data for all student groups in a Pivottable. To do so, she must first update the AllGroups table. Switch to the All Groups worksheet then edit the record for the Astronomy Society to use 76 as the 2023 field value. UT-btadata than wari 15. Lael wants to summarize data for all student groups in a Pivottable. To do so, she must first update the AllGroups table. Switch to the All Groups worksheet then edit the record for the Astronomy Society to use 76 as the 2023 field value. UT-btadata than wari