hello I am New to Rstudio my question is that I am trying to:

1) create Score distribution for each letter grade (in one plot) 2) Letter grade frequency distribution depending on values of the attribute "Ask questions"

so far I know the command to import the file is data1

A1 X for STUDENTID B 1 | J K 1 1 STUDENTI SCORE GRADE 2 2 65446 23.67 D 3 79686 8.41 F 4 56400 69.76 C 5 16792 95.51 A 6 6 92195 67.12 B 7 93635 89.55 B 8 37569 23.59 F. 9 61757 30.96 D 10 72878 49.68 C 11 99790 95.38 A 12 66144 37.06 C 13 69243 45.16 C 14 26685 27.55 C 15 29403 90.26 A 16 54170 74.96 B 17 28985 51.75 C 18 65254 30.2 D 19 30143 57.57 C 20 22677 39.01 D 21 90184 42.95 C 22 94732 74.63 B 23 15508 84.15 B 24 90391 40.11 D 25 49414 18.4 F 26 91913 55.95 C 27 16055 52.68 C 28 88540 26.07 D 29 76245 65.66 B 30 76517 45.74 C 31 70019 4.62 F 32 68803 33.74 D 33 35553 40.07 D 34 84108 82.32 B 35 33236 85.05 B 36 94586 41.87 C 37 31322 40.16 D 38 20335 56.93 B 39 22147 6.6 F 40 55147 68.06 C 41 38707 72.29 B 42 25676 38.2 C 43 74800 50.65 C 44 99424 37.93 C 45 26347 88.96 B 46 61544 51.63 C 47 47276 90.04 A 48 20049 28.74 F 49 86713 43.46 D 50 94888 89.22 A 51 62417 63.99 C 52 99679 27.61 F 53 52155 70.47 B 54 96698 48.64 C 55 62423 52.79 B E F F H ON_SMAR ASKS_QUE LEAVES_E LATE_IN_CLASS never always never Yes never never rarely Sometimes never always rarely Never never always always Never frequentl always never Sometimes never always never Sometimes never sometime always Never never sometime rarely Never never always rarely Yes never always rarely Sometimes never always rarely Sometimes never always rarely Yes never always never Sometimes frequently always always Never never sometime never Never never never never Never never sometime never Sometimes never sometime always Never never always always Yes frequently never always Never frequentl never rarely Never never always never Yes never sometime always Never rarely sometime always Sometimes never always always Sometimes never sometime always Yes never never never Sometimes never never never Never never always always Never never never always Never never never always Never never never always Never never never rarely Never frequentl always never Yes never never never Never never always always Yes frequently never never Never never sometime always Never never always always Sometimes rarely never never Never never always never Sometimes never always rarely Yes never never never Sometimes never always rarely Sometimes never never rarely Sometimes frequentl sometime never Never never never always Never never always always Never frequently sometime always Sometimes never never never Never never always always Never frequently sometime rarely Sometimes never always never Never frequentli sometime rarely Sometimes A1 X for STUDENTID B 1 | J K 1 1 STUDENTI SCORE GRADE 2 2 65446 23.67 D 3 79686 8.41 F 4 56400 69.76 C 5 16792 95.51 A 6 6 92195 67.12 B 7 93635 89.55 B 8 37569 23.59 F. 9 61757 30.96 D 10 72878 49.68 C 11 99790 95.38 A 12 66144 37.06 C 13 69243 45.16 C 14 26685 27.55 C 15 29403 90.26 A 16 54170 74.96 B 17 28985 51.75 C 18 65254 30.2 D 19 30143 57.57 C 20 22677 39.01 D 21 90184 42.95 C 22 94732 74.63 B 23 15508 84.15 B 24 90391 40.11 D 25 49414 18.4 F 26 91913 55.95 C 27 16055 52.68 C 28 88540 26.07 D 29 76245 65.66 B 30 76517 45.74 C 31 70019 4.62 F 32 68803 33.74 D 33 35553 40.07 D 34 84108 82.32 B 35 33236 85.05 B 36 94586 41.87 C 37 31322 40.16 D 38 20335 56.93 B 39 22147 6.6 F 40 55147 68.06 C 41 38707 72.29 B 42 25676 38.2 C 43 74800 50.65 C 44 99424 37.93 C 45 26347 88.96 B 46 61544 51.63 C 47 47276 90.04 A 48 20049 28.74 F 49 86713 43.46 D 50 94888 89.22 A 51 62417 63.99 C 52 99679 27.61 F 53 52155 70.47 B 54 96698 48.64 C 55 62423 52.79 B E F F H ON_SMAR ASKS_QUE LEAVES_E LATE_IN_CLASS never always never Yes never never rarely Sometimes never always rarely Never never always always Never frequentl always never Sometimes never always never Sometimes never sometime always Never never sometime rarely Never never always rarely Yes never always rarely Sometimes never always rarely Sometimes never always rarely Yes never always never Sometimes frequently always always Never never sometime never Never never never never Never never sometime never Sometimes never sometime always Never never always always Yes frequently never always Never frequentl never rarely Never never always never Yes never sometime always Never rarely sometime always Sometimes never always always Sometimes never sometime always Yes never never never Sometimes never never never Never never always always Never never never always Never never never always Never never never always Never never never rarely Never frequentl always never Yes never never never Never never always always Yes frequently never never Never never sometime always Never never always always Sometimes rarely never never Never never always never Sometimes never always rarely Yes never never never Sometimes never always rarely Sometimes never never rarely Sometimes frequentl sometime never Never never never always Never never always always Never frequently sometime always Sometimes never never never Never never always always Never frequently sometime rarely Sometimes never always never Never frequentli sometime rarely Sometimes