This demo uses imperative chart updates. The generated code is a faithful Angular translation: open it in CodeSandbox to run and tweak.

import { Component, AfterViewInit, OnDestroy, ViewChild } from '@angular/core';
import {
  ChartComponent,
  ApexAxisChartSeries,
  ApexNonAxisChartSeries,
  ApexChart,
  ApexXAxis,
  ApexYAxis,
  ApexTitleSubtitle,
  ApexDataLabels,
  ApexStroke,
  ApexFill,
  ApexLegend,
  ApexTooltip,
  ApexMarkers,
  ApexPlotOptions,
  ApexResponsive,
  ApexGrid,
  ApexAnnotations,
  ApexStates,
  ApexTheme,
  NgApexchartsModule,
} from 'ng-apexcharts';

export type ChartOptions = {
  series?: ApexAxisChartSeries | ApexNonAxisChartSeries;
  chart?: ApexChart;
  xaxis?: ApexXAxis;
  yaxis?: ApexYAxis | ApexYAxis[];
  title?: ApexTitleSubtitle;
  subtitle?: ApexTitleSubtitle;
  dataLabels?: ApexDataLabels;
  stroke?: ApexStroke;
  fill?: ApexFill;
  legend?: ApexLegend;
  tooltip?: ApexTooltip;
  markers?: ApexMarkers;
  plotOptions?: ApexPlotOptions;
  responsive?: ApexResponsive[];
  grid?: ApexGrid;
  annotations?: ApexAnnotations;
  states?: ApexStates;
  theme?: ApexTheme;
  colors?: string[];
  labels?: any;
};

@Component({
  selector: 'app-chart',
  standalone: true,
  imports: [NgApexchartsModule],
  templateUrl: './chart.component.html',
})
export class AppChart implements AfterViewInit, OnDestroy {
  @ViewChild('chart') chart!: ChartComponent;
  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'Compact',
              data: [
                [1.0, 52],
                [1.2, 49],
                [1.3, 47],
                [1.4, 50],
                [1.5, 45],
                [1.6, 44],
                [1.6, 48],
                [1.8, 42],
                [1.4, 46],
                [1.2, 51],
                [1.0, 50],
                [1.7, 43],
              ],
            },
            {
              name: 'Sedan',
              data: [
                [2.0, 38],
                [2.2, 35],
                [2.4, 34],
                [2.5, 32],
                [2.6, 33],
                [2.8, 29],
                [3.0, 27],
                [2.3, 36],
                [2.1, 37],
                [2.7, 30],
                [2.9, 28],
                [2.4, 31],
              ],
            },
            {
              name: 'SUV',
              data: [
                [3.2, 26],
                [3.5, 24],
                [3.8, 22],
                [4.0, 21],
                [4.2, 20],
                [4.5, 18],
                [4.8, 17],
                [5.0, 15],
                [3.6, 23],
                [4.1, 19],
                [3.4, 25],
                [4.6, 16],
              ],
            },
          ],
          chart: {
            height: 350,
            type: 'scatter',
            zoom: {
              enabled: true,
              type: 'xy',
            },
          },
          title: {
            text: 'Fuel Efficiency vs Engine Size',
          },
          xaxis: {
            tickAmount: 10,
            title: {
              text: 'Engine Size (L)',
            },
            labels: {
              formatter: (val) => {
                return parseFloat(val).toFixed(1)
              },
            },
          },
          yaxis: {
            tickAmount: 7,
            title: {
              text: 'Fuel Economy (mpg)',
            },
          },
          tooltip: {
            shared: false,
            intersect: true,
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}
Basic Scatter - Angular Scatter Charts | ApexCharts.js | ApexCharts.js