Penelitian ini bertujuan untuk mengembangkan tes melek statistik. Tes ini valid pada konten, valid pada konstruk, dan dapat diandalkan untuk mengukur dan menilai literasi statistik siswa. Literasi statistik dikembangkan melalui 3 tahap pengembangan: pendahuluan, perencanaan, dan pengembangan. Validitas isi literasi statistis dilakukan dengan penilaian ahli, validitas konstruk dianalisis dengan metode analisis faktor konfirmatori dua tingkat berdasarkan kriteria Goodness Of Fit serta reliabilitas model dianalisis menggunakan construct reliability. Hasil validitas konstruk menunjukkan bahwa setiap item dapat diukur secara signifikan oleh 6 aspek literasi statistis. Model konseptual literasi statistik berada dalam kategori good fit, dengan nilai RMSEA 0,023, CFI 0, 91 dan GFI 1, 00, ini berarti bahwa model literasi statistik good fit. Hasil uji reliabilitas model yang dilihat dari nilai construct validity, diperoleh nilai sebesar Literasi statistis ini diuji pada 150 siswa dari 3 sekolah SMA di Kota Medan. Hasil uji reliabilitas konstruk diperoleh nilai construct reliability (CR) setiap variable lates sebesar 0,83 ≥ 0,70 dan nilai Variance Extracted (VE) sebesar 0,61 ≥ 0,5. Berdasarkan nilai CR dan VE, maka konstruk literasi statistis siswa berada pada kategori reliabilitas konstruk yang baik.

This study analyzes the effect of Debt to Asset Ratio, Return On Assets, Current Ratio on Stock Prices in Consumer Goods Industrial Sector Companies listed on the IDX. The sample used in this study were 25 manufacturing sub-sector companies on the Indonesia Stock Exchange for the 2015-2019 period using the documentation method. existing data are published and listed on the IDX. Approach This research uses quantitative research and this type of research uses descriptive statistical research. The results showed that the Debt to Asset Ratio had an effect on stock prices, Return On Assets had no effect on stock prices and the Current Ratio had an effect on stock prices. Simultaneously Debt to Asset Ratio, Return On Assets, Current Ratio have an influence on the dependent variable, namely stock prices

The use of data services is not new in the midst of the community because all levels of society can already use online-based services. This is supported by the presence of online shopping applications such as Lazada, Shopee, Tokopedia, Elevenia, Bukalapak, Blibli.com, OLX, Mataharimall.com, and DJ.ID. This research is based on the theory of Marketing Management science related to the development of the digital economy in modern global-based platform organizations as one of the applications that accelerates and facilitates the use of online shopping application services in Indonesia. This research method uses a quantitative descriptive approach with the nature of the research is explanatory. The population in this study is the number of digital marketing service users by 120,856 respondents and the sampling technique using the Slovin formula obtained as many as 100 respondents used in this study. The results obtained in this study are that partially the use of digital marketing obtained tcount > ttable (1,588 > 1,290) and easy access to services obtained tcount > ttable (1,434 > 1,290) has a significant positive effect > 0.10 in increasing people's purchasing power Medan city, while simultaneous use of digital marketing and the ease of access of services obtained the value of Fcount> Ftable (2.337 > 2.36) has a positive and not significant effect on increasing the purchasing power of the people of Medan City in the era of the marketing industry revolution 4.0   Penggunaan layanan data bukan menjadi hal yang baru di tengah lingkungan masyarakat karena semua lapisan masyarakat sudah dapat menggunakan layanan berbasis online. Hal tersebut didukung dengan adanya aplikasi belanja online seperti Lazada, Shopee, Tokopedia, Elevenia, Bukalapak, Blibli.com, OLX, Mataharimall.com, dan DJ.ID. Penelitian ini didasarkan pada teori ilmu Manajemen Pemasaran terkait dengan perkembangan ekonomi digital dalam organisasi modern berbasis global platform sebagai salah satu aplikasi yang mempercepat dan mempermudah penggunaan layanan aplikasi belanja online di Indonesia. Metode penelitian ini menggunakan pendekatan deskriptif kuantitatif dengan sifat penelitian yaitu explanatory. Populasi dalam penelitian ini adalah jumlah pengguna layanan digital marketing sebesar 120.856 orang responden dan teknik pengambilan sampel dengan menggunakan rumus slovin diperoleh sebanyak 100 orang responden digunakan dalam penelitian ini. Hasil yang diperoleh dalam penelitian ini adalah bahwa secara parsial penggunaan digital marketing diperoleh nilai thitung > ttabel (1,588 > 1,290) dan kemudahan akses layanan diperoleh nilai thitung > ttabel (1,434 > 1,290) berpengaruh positif dengan signifikan > 0,10  dalam meningkatkan daya beli masyarakat kota Medan, sedangkan secara simultan penggunaan digital marketing dan kemudahan akses layanan diperoleh nilai Fhitung > Ftabel (2,373 > 2,36) berpengaruh positif dan tidak signifikan dalam meningkatkan daya beli masyarakat Kota Medan di era revolusi industri marketing 4.0

This study aims to determine the effect of the variable current ratio, debt to equity ratio, total asset turnover and net profit margin on ROA. The population of this study obtained 67 companies selected using purposive sampling with certain criteria as many as 27 companies. The type of data used in this research is quantitative data. The data source in this research is secondary data. The data collection technique is done by using documentation technique and data analysis using multiple linear analysis. The results of the study partially show that the current ratio, total asset turnover and net profit margin have a positive and significant effect on ROA, the debt to equity ratio has a negative and significant effect on ROA. The research results simultaneously show the current ratio, debt to equity ratio, total asset turnover and net profit margin to ROA. Keywords: Current Ratio, Debt To Equity Ratio, Net Profit Margin, ROA, Total Assset Turnover