Pavlov, N. V. Statistics [Электронный ресурс]: study guide for practical works / N. V. Pavlov; Peter the Great St. Petersburg Polytechnic University. — Электрон. текстовые дан. (1 файл : 1,43 Мб). — Санкт-Петербург, 2019. — Загл. с титул. экрана. — Текст на англ. яз. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s19-30.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s19-30>.
| Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2019
|
Quarter 2
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
6
|
0
|
1
|
0
|
7
|
|
May
|
4
|
0
|
0
|
0
|
4
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
1
|
0
|
0
|
0
|
1
|
|
Total
|
20
|
0
|
3
|
0
|
23
|
